A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco IOS 15.0 through 15.6 and Cisco IOS XE 3.5 through 16.5 could allow an unauthenticated, remote attacker to cause high CPU utilization, traceback messages, or a reload of an affected device that leads to a denial of service (DoS) condition. The vulnerability is due to how an affected device processes certain IKEv2 packets. An attacker could exploit this vulnerability by sending specific IKEv2 packets to an affected device to be processed. A successful exploit could allow the attacker to cause high CPU utilization, traceback messages, or a reload of the affected device that leads to a DoS condition. This vulnerability affects Cisco devices that have the Internet Security Association and Key Management Protocol (ISAKMP) enabled. Although only IKEv2 packets can be used to trigger this vulnerability, devices that are running Cisco IOS Software or Cisco IOS XE Software are vulnerable when ISAKMP is enabled. A device does not need to be configured with any IKEv2-specific features to be vulnerable. Many features use IKEv2, including different types of VPNs such as the following: LAN-to-LAN VPN; Remote-access VPN, excluding SSL VPN; Dynamic Multipoint VPN (DMVPN); and FlexVPN. Cisco Bug IDs: CSCvc41277.
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
Name | Vendor | Start Version | End Version |
---|---|---|---|
Ios | Cisco | 15.0(2)ej (including) | 15.0(2)ej (including) |
Ios | Cisco | 15.0(2)ej1 (including) | 15.0(2)ej1 (including) |
Ios | Cisco | 15.0(2)ex (including) | 15.0(2)ex (including) |
Ios | Cisco | 15.0(2)ex1 (including) | 15.0(2)ex1 (including) |
Ios | Cisco | 15.0(2)ex3 (including) | 15.0(2)ex3 (including) |
Ios | Cisco | 15.0(2)ex4 (including) | 15.0(2)ex4 (including) |
Ios | Cisco | 15.0(2)ex5 (including) | 15.0(2)ex5 (including) |
Ios | Cisco | 15.0(2)ez (including) | 15.0(2)ez (including) |
Ios | Cisco | 15.0(2)se1 (including) | 15.0(2)se1 (including) |
Ios | Cisco | 15.0(2)se2 (including) | 15.0(2)se2 (including) |
Ios | Cisco | 15.0(2)se3 (including) | 15.0(2)se3 (including) |
Ios | Cisco | 15.0(2)se4 (including) | 15.0(2)se4 (including) |
Ios | Cisco | 15.0(2)se5 (including) | 15.0(2)se5 (including) |
Ios | Cisco | 15.0(2)se6 (including) | 15.0(2)se6 (including) |
Ios | Cisco | 15.0(2)se7 (including) | 15.0(2)se7 (including) |
Ios | Cisco | 15.0(2)se8 (including) | 15.0(2)se8 (including) |
Ios | Cisco | 15.0(2)se9 (including) | 15.0(2)se9 (including) |
Ios | Cisco | 15.0(2)se10 (including) | 15.0(2)se10 (including) |
Ios | Cisco | 15.0(2)se10a (including) | 15.0(2)se10a (including) |
Ios | Cisco | 15.0(2)se11 (including) | 15.0(2)se11 (including) |
Ios | Cisco | 15.0(2)sqd7 (including) | 15.0(2)sqd7 (including) |
Ios | Cisco | 15.0(2a)ex5 (including) | 15.0(2a)ex5 (including) |
Ios | Cisco | 15.0(2a)se9 (including) | 15.0(2a)se9 (including) |
Ios | Cisco | 15.1(1)sy (including) | 15.1(1)sy (including) |
Ios | Cisco | 15.1(1)sy1 (including) | 15.1(1)sy1 (including) |
Ios | Cisco | 15.1(1)sy2 (including) | 15.1(1)sy2 (including) |
Ios | Cisco | 15.1(1)sy3 (including) | 15.1(1)sy3 (including) |
Ios | Cisco | 15.1(1)sy4 (including) | 15.1(1)sy4 (including) |
Ios | Cisco | 15.1(1)sy5 (including) | 15.1(1)sy5 (including) |
Ios | Cisco | 15.1(1)sy6 (including) | 15.1(1)sy6 (including) |
Ios | Cisco | 15.1(2)sg7a (including) | 15.1(2)sg7a (including) |
Ios | Cisco | 15.1(2)sy (including) | 15.1(2)sy (including) |
Ios | Cisco | 15.1(2)sy1 (including) | 15.1(2)sy1 (including) |
Ios | Cisco | 15.1(2)sy2 (including) | 15.1(2)sy2 (including) |
Ios | Cisco | 15.1(2)sy3 (including) | 15.1(2)sy3 (including) |
Ios | Cisco | 15.1(2)sy4 (including) | 15.1(2)sy4 (including) |
Ios | Cisco | 15.1(2)sy4a (including) | 15.1(2)sy4a (including) |
Ios | Cisco | 15.1(2)sy5 (including) | 15.1(2)sy5 (including) |
Ios | Cisco | 15.1(2)sy6 (including) | 15.1(2)sy6 (including) |
Ios | Cisco | 15.1(2)sy7 (including) | 15.1(2)sy7 (including) |
Ios | Cisco | 15.1(2)sy8 (including) | 15.1(2)sy8 (including) |
Ios | Cisco | 15.1(2)sy9 (including) | 15.1(2)sy9 (including) |
Ios | Cisco | 15.1(2)sy10 (including) | 15.1(2)sy10 (including) |
Ios | Cisco | 15.2(1)e (including) | 15.2(1)e (including) |
Ios | Cisco | 15.2(1)e1 (including) | 15.2(1)e1 (including) |
Ios | Cisco | 15.2(1)e2 (including) | 15.2(1)e2 (including) |
Ios | Cisco | 15.2(1)e3 (including) | 15.2(1)e3 (including) |
Ios | Cisco | 15.2(1)ey (including) | 15.2(1)ey (including) |
Ios | Cisco | 15.2(1)sy (including) | 15.2(1)sy (including) |
Ios | Cisco | 15.2(1)sy0a (including) | 15.2(1)sy0a (including) |
Ios | Cisco | 15.2(1)sy1 (including) | 15.2(1)sy1 (including) |
Ios | Cisco | 15.2(1)sy1a (including) | 15.2(1)sy1a (including) |
Ios | Cisco | 15.2(1)sy2 (including) | 15.2(1)sy2 (including) |
Ios | Cisco | 15.2(1)sy3 (including) | 15.2(1)sy3 (including) |
Ios | Cisco | 15.2(1)sy4 (including) | 15.2(1)sy4 (including) |
Ios | Cisco | 15.2(2)e (including) | 15.2(2)e (including) |
Ios | Cisco | 15.2(2)e1 (including) | 15.2(2)e1 (including) |
Ios | Cisco | 15.2(2)e2 (including) | 15.2(2)e2 (including) |
Ios | Cisco | 15.2(2)e3 (including) | 15.2(2)e3 (including) |
Ios | Cisco | 15.2(2)e4 (including) | 15.2(2)e4 (including) |
Ios | Cisco | 15.2(2)e5 (including) | 15.2(2)e5 (including) |
Ios | Cisco | 15.2(2)e5a (including) | 15.2(2)e5a (including) |
Ios | Cisco | 15.2(2)e5b (including) | 15.2(2)e5b (including) |
Ios | Cisco | 15.2(2)e6 (including) | 15.2(2)e6 (including) |
Ios | Cisco | 15.2(2)eb (including) | 15.2(2)eb (including) |
Ios | Cisco | 15.2(2)eb1 (including) | 15.2(2)eb1 (including) |
Ios | Cisco | 15.2(2)eb2 (including) | 15.2(2)eb2 (including) |
Ios | Cisco | 15.2(2)gc (including) | 15.2(2)gc (including) |
Ios | Cisco | 15.2(2)s (including) | 15.2(2)s (including) |
Ios | Cisco | 15.2(2)s0a (including) | 15.2(2)s0a (including) |
Ios | Cisco | 15.2(2)s0c (including) | 15.2(2)s0c (including) |
Ios | Cisco | 15.2(2)s1 (including) | 15.2(2)s1 (including) |
Ios | Cisco | 15.2(2)s2 (including) | 15.2(2)s2 (including) |
Ios | Cisco | 15.2(2)sng (including) | 15.2(2)sng (including) |
Ios | Cisco | 15.2(2)snh1 (including) | 15.2(2)snh1 (including) |
Ios | Cisco | 15.2(2)sni (including) | 15.2(2)sni (including) |
Ios | Cisco | 15.2(2)sy (including) | 15.2(2)sy (including) |
Ios | Cisco | 15.2(2)sy1 (including) | 15.2(2)sy1 (including) |
Ios | Cisco | 15.2(2)sy2 (including) | 15.2(2)sy2 (including) |
Ios | Cisco | 15.2(2)sy3 (including) | 15.2(2)sy3 (including) |
Ios | Cisco | 15.2(2)t (including) | 15.2(2)t (including) |
Ios | Cisco | 15.2(2)t1 (including) | 15.2(2)t1 (including) |
Ios | Cisco | 15.2(2)t2 (including) | 15.2(2)t2 (including) |
Ios | Cisco | 15.2(2)t3 (including) | 15.2(2)t3 (including) |
Ios | Cisco | 15.2(2)t4 (including) | 15.2(2)t4 (including) |
Ios | Cisco | 15.2(2a)e1 (including) | 15.2(2a)e1 (including) |
Ios | Cisco | 15.2(2a)e2 (including) | 15.2(2a)e2 (including) |
Ios | Cisco | 15.2(3)e (including) | 15.2(3)e (including) |
Ios | Cisco | 15.2(3)e1 (including) | 15.2(3)e1 (including) |
Ios | Cisco | 15.2(3)e2 (including) | 15.2(3)e2 (including) |
Ios | Cisco | 15.2(3)e3 (including) | 15.2(3)e3 (including) |
Ios | Cisco | 15.2(3)e4 (including) | 15.2(3)e4 (including) |
Ios | Cisco | 15.2(3)e5 (including) | 15.2(3)e5 (including) |
Ios | Cisco | 15.2(3)ex (including) | 15.2(3)ex (including) |
Ios | Cisco | 15.2(3)gc (including) | 15.2(3)gc (including) |
Ios | Cisco | 15.2(3)gc1 (including) | 15.2(3)gc1 (including) |
Ios | Cisco | 15.2(3)t (including) | 15.2(3)t (including) |
Ios | Cisco | 15.2(3)t1 (including) | 15.2(3)t1 (including) |
Ios | Cisco | 15.2(3)t2 (including) | 15.2(3)t2 (including) |
Ios | Cisco | 15.2(3)t3 (including) | 15.2(3)t3 (including) |
Ios | Cisco | 15.2(3)t4 (including) | 15.2(3)t4 (including) |
Ios | Cisco | 15.2(3a)e (including) | 15.2(3a)e (including) |
Ios | Cisco | 15.2(3a)e1 (including) | 15.2(3a)e1 (including) |
Ios | Cisco | 15.2(3m)e2 (including) | 15.2(3m)e2 (including) |
Ios | Cisco | 15.2(3m)e3 (including) | 15.2(3m)e3 (including) |
Ios | Cisco | 15.2(3m)e6 (including) | 15.2(3m)e6 (including) |
Ios | Cisco | 15.2(3m)e8 (including) | 15.2(3m)e8 (including) |
Ios | Cisco | 15.2(4)e (including) | 15.2(4)e (including) |
Ios | Cisco | 15.2(4)e1 (including) | 15.2(4)e1 (including) |
Ios | Cisco | 15.2(4)e2 (including) | 15.2(4)e2 (including) |
Ios | Cisco | 15.2(4)e3 (including) | 15.2(4)e3 (including) |
Ios | Cisco | 15.2(4)e4 (including) | 15.2(4)e4 (including) |
Ios | Cisco | 15.2(4)ec (including) | 15.2(4)ec (including) |
Ios | Cisco | 15.2(4)ec1 (including) | 15.2(4)ec1 (including) |
Ios | Cisco | 15.2(4)ec2 (including) | 15.2(4)ec2 (including) |
Ios | Cisco | 15.2(4)gc (including) | 15.2(4)gc (including) |
Ios | Cisco | 15.2(4)gc1 (including) | 15.2(4)gc1 (including) |
Ios | Cisco | 15.2(4)gc2 (including) | 15.2(4)gc2 (including) |
Ios | Cisco | 15.2(4)gc3 (including) | 15.2(4)gc3 (including) |
Ios | Cisco | 15.2(4)m (including) | 15.2(4)m (including) |
Ios | Cisco | 15.2(4)m1 (including) | 15.2(4)m1 (including) |
Ios | Cisco | 15.2(4)m2 (including) | 15.2(4)m2 (including) |
Ios | Cisco | 15.2(4)m3 (including) | 15.2(4)m3 (including) |
Ios | Cisco | 15.2(4)m4 (including) | 15.2(4)m4 (including) |
Ios | Cisco | 15.2(4)m5 (including) | 15.2(4)m5 (including) |
Ios | Cisco | 15.2(4)m6 (including) | 15.2(4)m6 (including) |
Ios | Cisco | 15.2(4)m6a (including) | 15.2(4)m6a (including) |
Ios | Cisco | 15.2(4)m7 (including) | 15.2(4)m7 (including) |
Ios | Cisco | 15.2(4)m8 (including) | 15.2(4)m8 (including) |
Ios | Cisco | 15.2(4)m9 (including) | 15.2(4)m9 (including) |
Ios | Cisco | 15.2(4)m10 (including) | 15.2(4)m10 (including) |
Ios | Cisco | 15.2(4)m11 (including) | 15.2(4)m11 (including) |
Ios | Cisco | 15.2(4)s (including) | 15.2(4)s (including) |
Ios | Cisco | 15.2(4)s1 (including) | 15.2(4)s1 (including) |
Ios | Cisco | 15.2(4)s2 (including) | 15.2(4)s2 (including) |
Ios | Cisco | 15.2(4)s3 (including) | 15.2(4)s3 (including) |
Ios | Cisco | 15.2(4)s3a (including) | 15.2(4)s3a (including) |
Ios | Cisco | 15.2(4)s4 (including) | 15.2(4)s4 (including) |
Ios | Cisco | 15.2(4)s4a (including) | 15.2(4)s4a (including) |
Ios | Cisco | 15.2(4)s5 (including) | 15.2(4)s5 (including) |
Ios | Cisco | 15.2(4)s6 (including) | 15.2(4)s6 (including) |
Ios | Cisco | 15.2(4)s7 (including) | 15.2(4)s7 (including) |
Ios | Cisco | 15.2(4m)e1 (including) | 15.2(4m)e1 (including) |
Ios | Cisco | 15.2(4m)e3 (including) | 15.2(4m)e3 (including) |
Ios | Cisco | 15.2(4n)e2 (including) | 15.2(4n)e2 (including) |
Ios | Cisco | 15.2(4o)e2 (including) | 15.2(4o)e2 (including) |
Ios | Cisco | 15.2(4p)e1 (including) | 15.2(4p)e1 (including) |
Ios | Cisco | 15.2(5)e (including) | 15.2(5)e (including) |
Ios | Cisco | 15.2(5)e1 (including) | 15.2(5)e1 (including) |
Ios | Cisco | 15.2(5)e2 (including) | 15.2(5)e2 (including) |
Ios | Cisco | 15.2(5)e2a (including) | 15.2(5)e2a (including) |
Ios | Cisco | 15.2(5)e2b (including) | 15.2(5)e2b (including) |
Ios | Cisco | 15.2(5)e2c (including) | 15.2(5)e2c (including) |
Ios | Cisco | 15.2(5a)e (including) | 15.2(5a)e (including) |
Ios | Cisco | 15.2(5a)e1 (including) | 15.2(5a)e1 (including) |
Ios | Cisco | 15.2(5b)e (including) | 15.2(5b)e (including) |
Ios | Cisco | 15.2(5c)e (including) | 15.2(5c)e (including) |
Ios | Cisco | 15.3(1)s (including) | 15.3(1)s (including) |
Ios | Cisco | 15.3(1)s1 (including) | 15.3(1)s1 (including) |
Ios | Cisco | 15.3(1)s2 (including) | 15.3(1)s2 (including) |
Ios | Cisco | 15.3(1)sy (including) | 15.3(1)sy (including) |
Ios | Cisco | 15.3(1)sy1 (including) | 15.3(1)sy1 (including) |
Ios | Cisco | 15.3(1)sy2 (including) | 15.3(1)sy2 (including) |
Ios | Cisco | 15.3(1)t (including) | 15.3(1)t (including) |
Ios | Cisco | 15.3(1)t1 (including) | 15.3(1)t1 (including) |
Ios | Cisco | 15.3(1)t2 (including) | 15.3(1)t2 (including) |
Ios | Cisco | 15.3(1)t3 (including) | 15.3(1)t3 (including) |
Ios | Cisco | 15.3(1)t4 (including) | 15.3(1)t4 (including) |
Ios | Cisco | 15.3(2)s (including) | 15.3(2)s (including) |
Ios | Cisco | 15.3(2)s0a (including) | 15.3(2)s0a (including) |
Ios | Cisco | 15.3(2)s1 (including) | 15.3(2)s1 (including) |
Ios | Cisco | 15.3(2)s2 (including) | 15.3(2)s2 (including) |
Ios | Cisco | 15.3(2)t (including) | 15.3(2)t (including) |
Ios | Cisco | 15.3(2)t1 (including) | 15.3(2)t1 (including) |
Ios | Cisco | 15.3(2)t2 (including) | 15.3(2)t2 (including) |
Ios | Cisco | 15.3(2)t3 (including) | 15.3(2)t3 (including) |
Ios | Cisco | 15.3(2)t4 (including) | 15.3(2)t4 (including) |
Ios | Cisco | 15.3(3)jbb6a (including) | 15.3(3)jbb6a (including) |
Ios | Cisco | 15.3(3)jc7 (including) | 15.3(3)jc7 (including) |
Ios | Cisco | 15.3(3)jc50 (including) | 15.3(3)jc50 (including) |
Ios | Cisco | 15.3(3)jc51 (including) | 15.3(3)jc51 (including) |
Ios | Cisco | 15.3(3)jca7 (including) | 15.3(3)jca7 (including) |
Ios | Cisco | 15.3(3)jd7 (including) | 15.3(3)jd7 (including) |
Ios | Cisco | 15.3(3)jda3 (including) | 15.3(3)jda3 (including) |
Ios | Cisco | 15.3(3)je1 (including) | 15.3(3)je1 (including) |
Ios | Cisco | 15.3(3)jf1 (including) | 15.3(3)jf1 (including) |
Ios | Cisco | 15.3(3)jnc4 (including) | 15.3(3)jnc4 (including) |
Ios | Cisco | 15.3(3)jnd2 (including) | 15.3(3)jnd2 (including) |
Ios | Cisco | 15.3(3)jnp2 (including) | 15.3(3)jnp2 (including) |
Ios | Cisco | 15.3(3)jnp4 (including) | 15.3(3)jnp4 (including) |
Ios | Cisco | 15.3(3)jpb (including) | 15.3(3)jpb (including) |
Ios | Cisco | 15.3(3)jpb2 (including) | 15.3(3)jpb2 (including) |
Ios | Cisco | 15.3(3)jpc3 (including) | 15.3(3)jpc3 (including) |
Ios | Cisco | 15.3(3)m (including) | 15.3(3)m (including) |
Ios | Cisco | 15.3(3)m1 (including) | 15.3(3)m1 (including) |
Ios | Cisco | 15.3(3)m2 (including) | 15.3(3)m2 (including) |
Ios | Cisco | 15.3(3)m3 (including) | 15.3(3)m3 (including) |
Ios | Cisco | 15.3(3)m4 (including) | 15.3(3)m4 (including) |
Ios | Cisco | 15.3(3)m5 (including) | 15.3(3)m5 (including) |
Ios | Cisco | 15.3(3)m6 (including) | 15.3(3)m6 (including) |
Ios | Cisco | 15.3(3)m7 (including) | 15.3(3)m7 (including) |
Ios | Cisco | 15.3(3)m8 (including) | 15.3(3)m8 (including) |
Ios | Cisco | 15.3(3)m8a (including) | 15.3(3)m8a (including) |
Ios | Cisco | 15.3(3)m9 (including) | 15.3(3)m9 (including) |
Ios | Cisco | 15.3(3)s (including) | 15.3(3)s (including) |
Ios | Cisco | 15.3(3)s1 (including) | 15.3(3)s1 (including) |
Ios | Cisco | 15.3(3)s1a (including) | 15.3(3)s1a (including) |
Ios | Cisco | 15.3(3)s2 (including) | 15.3(3)s2 (including) |
Ios | Cisco | 15.3(3)s3 (including) | 15.3(3)s3 (including) |
Ios | Cisco | 15.3(3)s4 (including) | 15.3(3)s4 (including) |
Ios | Cisco | 15.3(3)s5 (including) | 15.3(3)s5 (including) |
Ios | Cisco | 15.3(3)s6 (including) | 15.3(3)s6 (including) |
Ios | Cisco | 15.3(3)s7 (including) | 15.3(3)s7 (including) |
Ios | Cisco | 15.3(3)s8 (including) | 15.3(3)s8 (including) |
Ios | Cisco | 15.3(3)s8a (including) | 15.3(3)s8a (including) |
Ios | Cisco | 15.3(3)s9 (including) | 15.3(3)s9 (including) |
Ios | Cisco | 15.4(1)cg (including) | 15.4(1)cg (including) |
Ios | Cisco | 15.4(1)cg1 (including) | 15.4(1)cg1 (including) |
Ios | Cisco | 15.4(1)s (including) | 15.4(1)s (including) |
Ios | Cisco | 15.4(1)s1 (including) | 15.4(1)s1 (including) |
Ios | Cisco | 15.4(1)s2 (including) | 15.4(1)s2 (including) |
Ios | Cisco | 15.4(1)s3 (including) | 15.4(1)s3 (including) |
Ios | Cisco | 15.4(1)s4 (including) | 15.4(1)s4 (including) |
Ios | Cisco | 15.4(1)sy (including) | 15.4(1)sy (including) |
Ios | Cisco | 15.4(1)sy1 (including) | 15.4(1)sy1 (including) |
Ios | Cisco | 15.4(1)sy2 (including) | 15.4(1)sy2 (including) |
Ios | Cisco | 15.4(1)t (including) | 15.4(1)t (including) |
Ios | Cisco | 15.4(1)t1 (including) | 15.4(1)t1 (including) |
Ios | Cisco | 15.4(1)t2 (including) | 15.4(1)t2 (including) |
Ios | Cisco | 15.4(1)t3 (including) | 15.4(1)t3 (including) |
Ios | Cisco | 15.4(1)t4 (including) | 15.4(1)t4 (including) |
Ios | Cisco | 15.4(2)cg (including) | 15.4(2)cg (including) |
Ios | Cisco | 15.4(2)s (including) | 15.4(2)s (including) |
Ios | Cisco | 15.4(2)s1 (including) | 15.4(2)s1 (including) |
Ios | Cisco | 15.4(2)s2 (including) | 15.4(2)s2 (including) |
Ios | Cisco | 15.4(2)s3 (including) | 15.4(2)s3 (including) |
Ios | Cisco | 15.4(2)s4 (including) | 15.4(2)s4 (including) |
Ios | Cisco | 15.4(2)t (including) | 15.4(2)t (including) |
Ios | Cisco | 15.4(2)t1 (including) | 15.4(2)t1 (including) |
Ios | Cisco | 15.4(2)t2 (including) | 15.4(2)t2 (including) |
Ios | Cisco | 15.4(2)t3 (including) | 15.4(2)t3 (including) |
Ios | Cisco | 15.4(2)t4 (including) | 15.4(2)t4 (including) |
Ios | Cisco | 15.4(3)m (including) | 15.4(3)m (including) |
Ios | Cisco | 15.4(3)m1 (including) | 15.4(3)m1 (including) |
Ios | Cisco | 15.4(3)m2 (including) | 15.4(3)m2 (including) |
Ios | Cisco | 15.4(3)m3 (including) | 15.4(3)m3 (including) |
Ios | Cisco | 15.4(3)m4 (including) | 15.4(3)m4 (including) |
Ios | Cisco | 15.4(3)m5 (including) | 15.4(3)m5 (including) |
Ios | Cisco | 15.4(3)m6 (including) | 15.4(3)m6 (including) |
Ios | Cisco | 15.4(3)m6a (including) | 15.4(3)m6a (including) |
Ios | Cisco | 15.4(3)m7 (including) | 15.4(3)m7 (including) |
Ios | Cisco | 15.4(3)s (including) | 15.4(3)s (including) |
Ios | Cisco | 15.4(3)s1 (including) | 15.4(3)s1 (including) |
Ios | Cisco | 15.4(3)s2 (including) | 15.4(3)s2 (including) |
Ios | Cisco | 15.4(3)s3 (including) | 15.4(3)s3 (including) |
Ios | Cisco | 15.4(3)s4 (including) | 15.4(3)s4 (including) |
Ios | Cisco | 15.4(3)s5 (including) | 15.4(3)s5 (including) |
Ios | Cisco | 15.4(3)s5a (including) | 15.4(3)s5a (including) |
Ios | Cisco | 15.4(3)s6 (including) | 15.4(3)s6 (including) |
Ios | Cisco | 15.4(3)s6a (including) | 15.4(3)s6a (including) |
Ios | Cisco | 15.4(3)s6b (including) | 15.4(3)s6b (including) |
Ios | Cisco | 15.4(3)s7 (including) | 15.4(3)s7 (including) |
Ios | Cisco | 15.4(3)s7a (including) | 15.4(3)s7a (including) |
Ios | Cisco | 15.5(1)s (including) | 15.5(1)s (including) |
Ios | Cisco | 15.5(1)s1 (including) | 15.5(1)s1 (including) |
Ios | Cisco | 15.5(1)s2 (including) | 15.5(1)s2 (including) |
Ios | Cisco | 15.5(1)s3 (including) | 15.5(1)s3 (including) |
Ios | Cisco | 15.5(1)s4 (including) | 15.5(1)s4 (including) |
Ios | Cisco | 15.5(1)sy (including) | 15.5(1)sy (including) |
Ios | Cisco | 15.5(1)sy1 (including) | 15.5(1)sy1 (including) |
Ios | Cisco | 15.5(1)t (including) | 15.5(1)t (including) |
Ios | Cisco | 15.5(1)t1 (including) | 15.5(1)t1 (including) |
Ios | Cisco | 15.5(1)t2 (including) | 15.5(1)t2 (including) |
Ios | Cisco | 15.5(1)t3 (including) | 15.5(1)t3 (including) |
Ios | Cisco | 15.5(1)t4 (including) | 15.5(1)t4 (including) |
Ios | Cisco | 15.5(2)s (including) | 15.5(2)s (including) |
Ios | Cisco | 15.5(2)s1 (including) | 15.5(2)s1 (including) |
Ios | Cisco | 15.5(2)s2 (including) | 15.5(2)s2 (including) |
Ios | Cisco | 15.5(2)s3 (including) | 15.5(2)s3 (including) |
Ios | Cisco | 15.5(2)s4 (including) | 15.5(2)s4 (including) |
Ios | Cisco | 15.5(2)t (including) | 15.5(2)t (including) |
Ios | Cisco | 15.5(2)t1 (including) | 15.5(2)t1 (including) |
Ios | Cisco | 15.5(2)t2 (including) | 15.5(2)t2 (including) |
Ios | Cisco | 15.5(2)t3 (including) | 15.5(2)t3 (including) |
Ios | Cisco | 15.5(2)t4 (including) | 15.5(2)t4 (including) |
Ios | Cisco | 15.5(3)m (including) | 15.5(3)m (including) |
Ios | Cisco | 15.5(3)m0a (including) | 15.5(3)m0a (including) |
Ios | Cisco | 15.5(3)m1 (including) | 15.5(3)m1 (including) |
Ios | Cisco | 15.5(3)m2 (including) | 15.5(3)m2 (including) |
Ios | Cisco | 15.5(3)m3 (including) | 15.5(3)m3 (including) |
Ios | Cisco | 15.5(3)m4 (including) | 15.5(3)m4 (including) |
Ios | Cisco | 15.5(3)m4a (including) | 15.5(3)m4a (including) |
Ios | Cisco | 15.5(3)m5 (including) | 15.5(3)m5 (including) |
Ios | Cisco | 15.5(3)s (including) | 15.5(3)s (including) |
Ios | Cisco | 15.5(3)s0a (including) | 15.5(3)s0a (including) |
Ios | Cisco | 15.5(3)s1 (including) | 15.5(3)s1 (including) |
Ios | Cisco | 15.5(3)s1a (including) | 15.5(3)s1a (including) |
Ios | Cisco | 15.5(3)s2 (including) | 15.5(3)s2 (including) |
Ios | Cisco | 15.5(3)s2a (including) | 15.5(3)s2a (including) |
Ios | Cisco | 15.5(3)s2b (including) | 15.5(3)s2b (including) |
Ios | Cisco | 15.5(3)s3 (including) | 15.5(3)s3 (including) |
Ios | Cisco | 15.5(3)s3a (including) | 15.5(3)s3a (including) |
Ios | Cisco | 15.5(3)s4 (including) | 15.5(3)s4 (including) |
Ios | Cisco | 15.5(3)s4a (including) | 15.5(3)s4a (including) |
Ios | Cisco | 15.5(3)s4b (including) | 15.5(3)s4b (including) |
Ios | Cisco | 15.5(3)s4d (including) | 15.5(3)s4d (including) |
Ios | Cisco | 15.5(3)s5 (including) | 15.5(3)s5 (including) |
Ios | Cisco | 15.5(3)sn (including) | 15.5(3)sn (including) |
Ios | Cisco | 15.6(1)s (including) | 15.6(1)s (including) |
Ios | Cisco | 15.6(1)s1 (including) | 15.6(1)s1 (including) |
Ios | Cisco | 15.6(1)s1a (including) | 15.6(1)s1a (including) |
Ios | Cisco | 15.6(1)s2 (including) | 15.6(1)s2 (including) |
Ios | Cisco | 15.6(1)s3 (including) | 15.6(1)s3 (including) |
Ios | Cisco | 15.6(1)t (including) | 15.6(1)t (including) |
Ios | Cisco | 15.6(1)t0a (including) | 15.6(1)t0a (including) |
Ios | Cisco | 15.6(1)t1 (including) | 15.6(1)t1 (including) |
Ios | Cisco | 15.6(1)t2 (including) | 15.6(1)t2 (including) |
Ios | Cisco | 15.6(1)t3 (including) | 15.6(1)t3 (including) |
Ios | Cisco | 15.6(2)s (including) | 15.6(2)s (including) |
Ios | Cisco | 15.6(2)s0a (including) | 15.6(2)s0a (including) |
Ios | Cisco | 15.6(2)s1 (including) | 15.6(2)s1 (including) |
Ios | Cisco | 15.6(2)s2 (including) | 15.6(2)s2 (including) |
Ios | Cisco | 15.6(2)s3 (including) | 15.6(2)s3 (including) |
Ios | Cisco | 15.6(2)sn (including) | 15.6(2)sn (including) |
Ios | Cisco | 15.6(2)sp (including) | 15.6(2)sp (including) |
Ios | Cisco | 15.6(2)sp1 (including) | 15.6(2)sp1 (including) |
Ios | Cisco | 15.6(2)sp1b (including) | 15.6(2)sp1b (including) |
Ios | Cisco | 15.6(2)sp1c (including) | 15.6(2)sp1c (including) |
Ios | Cisco | 15.6(2)sp2 (including) | 15.6(2)sp2 (including) |
Ios | Cisco | 15.6(2)sp2a (including) | 15.6(2)sp2a (including) |
Ios | Cisco | 15.6(2)t (including) | 15.6(2)t (including) |
Ios | Cisco | 15.6(2)t1 (including) | 15.6(2)t1 (including) |
Ios | Cisco | 15.6(2)t2 (including) | 15.6(2)t2 (including) |
Ios | Cisco | 15.6(3)m (including) | 15.6(3)m (including) |
Ios | Cisco | 15.6(3)m0a (including) | 15.6(3)m0a (including) |
Ios | Cisco | 15.6(3)m1 (including) | 15.6(3)m1 (including) |
Ios | Cisco | 15.6(3)m1b (including) | 15.6(3)m1b (including) |
Ios | Cisco | 15.6(3)m2 (including) | 15.6(3)m2 (including) |
Ios | Cisco | 15.6(3)m2a (including) | 15.6(3)m2a (including) |
Ios_xe | Cisco | * | 15.4(3)s (including) |
Ios_xe | Cisco | 3.5.0e (including) | 3.5.0e (including) |
Ios_xe | Cisco | 3.5.1e (including) | 3.5.1e (including) |
Ios_xe | Cisco | 3.5.2e (including) | 3.5.2e (including) |
Ios_xe | Cisco | 3.5.3e (including) | 3.5.3e (including) |
Ios_xe | Cisco | 3.6.0e (including) | 3.6.0e (including) |
Ios_xe | Cisco | 3.6.0s (including) | 3.6.0s (including) |
Ios_xe | Cisco | 3.6.1e (including) | 3.6.1e (including) |
Ios_xe | Cisco | 3.6.1s (including) | 3.6.1s (including) |
Ios_xe | Cisco | 3.6.2ae (including) | 3.6.2ae (including) |
Ios_xe | Cisco | 3.6.2e (including) | 3.6.2e (including) |
Ios_xe | Cisco | 3.6.2s (including) | 3.6.2s (including) |
Ios_xe | Cisco | 3.6.3e (including) | 3.6.3e (including) |
Ios_xe | Cisco | 3.6.4e (including) | 3.6.4e (including) |
Ios_xe | Cisco | 3.6.5ae (including) | 3.6.5ae (including) |
Ios_xe | Cisco | 3.6.5be (including) | 3.6.5be (including) |
Ios_xe | Cisco | 3.6.5e (including) | 3.6.5e (including) |
Ios_xe | Cisco | 3.6.6e (including) | 3.6.6e (including) |
Ios_xe | Cisco | 3.7.0bs (including) | 3.7.0bs (including) |
Ios_xe | Cisco | 3.7.0e (including) | 3.7.0e (including) |
Ios_xe | Cisco | 3.7.0s (including) | 3.7.0s (including) |
Ios_xe | Cisco | 3.7.1as (including) | 3.7.1as (including) |
Ios_xe | Cisco | 3.7.1e (including) | 3.7.1e (including) |
Ios_xe | Cisco | 3.7.1s (including) | 3.7.1s (including) |
Ios_xe | Cisco | 3.7.2e (including) | 3.7.2e (including) |
Ios_xe | Cisco | 3.7.2s (including) | 3.7.2s (including) |
Ios_xe | Cisco | 3.7.2ts (including) | 3.7.2ts (including) |
Ios_xe | Cisco | 3.7.3e (including) | 3.7.3e (including) |
Ios_xe | Cisco | 3.7.3s (including) | 3.7.3s (including) |
Ios_xe | Cisco | 3.7.4as (including) | 3.7.4as (including) |
Ios_xe | Cisco | 3.7.4e (including) | 3.7.4e (including) |
Ios_xe | Cisco | 3.7.4s (including) | 3.7.4s (including) |
Ios_xe | Cisco | 3.7.5e (including) | 3.7.5e (including) |
Ios_xe | Cisco | 3.7.5s (including) | 3.7.5s (including) |
Ios_xe | Cisco | 3.7.6s (including) | 3.7.6s (including) |
Ios_xe | Cisco | 3.7.7s (including) | 3.7.7s (including) |
Ios_xe | Cisco | 3.8.0e (including) | 3.8.0e (including) |
Ios_xe | Cisco | 3.8.0ex (including) | 3.8.0ex (including) |
Ios_xe | Cisco | 3.8.0s (including) | 3.8.0s (including) |
Ios_xe | Cisco | 3.8.1e (including) | 3.8.1e (including) |
Ios_xe | Cisco | 3.8.1s (including) | 3.8.1s (including) |
Ios_xe | Cisco | 3.8.2e (including) | 3.8.2e (including) |
Ios_xe | Cisco | 3.8.2s (including) | 3.8.2s (including) |
Ios_xe | Cisco | 3.8.3e (including) | 3.8.3e (including) |
Ios_xe | Cisco | 3.8.4e (including) | 3.8.4e (including) |
Ios_xe | Cisco | 3.9.0as (including) | 3.9.0as (including) |
Ios_xe | Cisco | 3.9.0e (including) | 3.9.0e (including) |
Ios_xe | Cisco | 3.9.0s (including) | 3.9.0s (including) |
Ios_xe | Cisco | 3.9.1as (including) | 3.9.1as (including) |
Ios_xe | Cisco | 3.9.1e (including) | 3.9.1e (including) |
Ios_xe | Cisco | 3.9.1s (including) | 3.9.1s (including) |
Ios_xe | Cisco | 3.9.2e (including) | 3.9.2e (including) |
Ios_xe | Cisco | 3.9.2s (including) | 3.9.2s (including) |
Ios_xe | Cisco | 3.10.0s (including) | 3.10.0s (including) |
Ios_xe | Cisco | 3.10.1s (including) | 3.10.1s (including) |
Ios_xe | Cisco | 3.10.1xbs (including) | 3.10.1xbs (including) |
Ios_xe | Cisco | 3.10.2s (including) | 3.10.2s (including) |
Ios_xe | Cisco | 3.10.2ts (including) | 3.10.2ts (including) |
Ios_xe | Cisco | 3.10.3s (including) | 3.10.3s (including) |
Ios_xe | Cisco | 3.10.4s (including) | 3.10.4s (including) |
Ios_xe | Cisco | 3.10.5s (including) | 3.10.5s (including) |
Ios_xe | Cisco | 3.10.6s (including) | 3.10.6s (including) |
Ios_xe | Cisco | 3.10.7s (including) | 3.10.7s (including) |
Ios_xe | Cisco | 3.10.8as (including) | 3.10.8as (including) |
Ios_xe | Cisco | 3.10.8s (including) | 3.10.8s (including) |
Ios_xe | Cisco | 3.10.9s (including) | 3.10.9s (including) |
Ios_xe | Cisco | 3.11.0s (including) | 3.11.0s (including) |
Ios_xe | Cisco | 3.11.1s (including) | 3.11.1s (including) |
Ios_xe | Cisco | 3.11.2s (including) | 3.11.2s (including) |
Ios_xe | Cisco | 3.11.3s (including) | 3.11.3s (including) |
Ios_xe | Cisco | 3.11.4s (including) | 3.11.4s (including) |
Ios_xe | Cisco | 3.12.0as (including) | 3.12.0as (including) |
Ios_xe | Cisco | 3.12.0s (including) | 3.12.0s (including) |
Ios_xe | Cisco | 3.12.1s (including) | 3.12.1s (including) |
Ios_xe | Cisco | 3.12.2s (including) | 3.12.2s (including) |
Ios_xe | Cisco | 3.12.3s (including) | 3.12.3s (including) |
Ios_xe | Cisco | 3.12.4s (including) | 3.12.4s (including) |
Ios_xe | Cisco | 3.13.0as (including) | 3.13.0as (including) |
Ios_xe | Cisco | 3.13.0s (including) | 3.13.0s (including) |
Ios_xe | Cisco | 3.13.1s (including) | 3.13.1s (including) |
Ios_xe | Cisco | 3.13.2as (including) | 3.13.2as (including) |
Ios_xe | Cisco | 3.13.2s (including) | 3.13.2s (including) |
Ios_xe | Cisco | 3.13.3s (including) | 3.13.3s (including) |
Ios_xe | Cisco | 3.13.4s (including) | 3.13.4s (including) |
Ios_xe | Cisco | 3.13.5as (including) | 3.13.5as (including) |
Ios_xe | Cisco | 3.13.5s (including) | 3.13.5s (including) |
Ios_xe | Cisco | 3.13.6as (including) | 3.13.6as (including) |
Ios_xe | Cisco | 3.13.6s (including) | 3.13.6s (including) |
Ios_xe | Cisco | 3.13.7as (including) | 3.13.7as (including) |
Ios_xe | Cisco | 3.13.7s (including) | 3.13.7s (including) |
Ios_xe | Cisco | 3.14.0s (including) | 3.14.0s (including) |
Ios_xe | Cisco | 3.14.1s (including) | 3.14.1s (including) |
Ios_xe | Cisco | 3.14.2s (including) | 3.14.2s (including) |
Ios_xe | Cisco | 3.14.3s (including) | 3.14.3s (including) |
Ios_xe | Cisco | 3.14.4s (including) | 3.14.4s (including) |
Ios_xe | Cisco | 3.15.0s (including) | 3.15.0s (including) |
Ios_xe | Cisco | 3.15.1cs (including) | 3.15.1cs (including) |
Ios_xe | Cisco | 3.15.1s (including) | 3.15.1s (including) |
Ios_xe | Cisco | 3.15.2s (including) | 3.15.2s (including) |
Ios_xe | Cisco | 3.15.3s (including) | 3.15.3s (including) |
Ios_xe | Cisco | 3.15.4s (including) | 3.15.4s (including) |
Ios_xe | Cisco | 3.16.0cs (including) | 3.16.0cs (including) |
Ios_xe | Cisco | 3.16.0s (including) | 3.16.0s (including) |
Ios_xe | Cisco | 3.16.1as (including) | 3.16.1as (including) |
Ios_xe | Cisco | 3.16.1s (including) | 3.16.1s (including) |
Ios_xe | Cisco | 3.16.2as (including) | 3.16.2as (including) |
Ios_xe | Cisco | 3.16.2bs (including) | 3.16.2bs (including) |
Ios_xe | Cisco | 3.16.2s (including) | 3.16.2s (including) |
Ios_xe | Cisco | 3.16.3as (including) | 3.16.3as (including) |
Ios_xe | Cisco | 3.16.3s (including) | 3.16.3s (including) |
Ios_xe | Cisco | 3.16.4as (including) | 3.16.4as (including) |
Ios_xe | Cisco | 3.16.4bs (including) | 3.16.4bs (including) |
Ios_xe | Cisco | 3.16.4ds (including) | 3.16.4ds (including) |
Ios_xe | Cisco | 3.16.4s (including) | 3.16.4s (including) |
Ios_xe | Cisco | 3.16.5s (including) | 3.16.5s (including) |
Ios_xe | Cisco | 3.17.0s (including) | 3.17.0s (including) |
Ios_xe | Cisco | 3.17.1as (including) | 3.17.1as (including) |
Ios_xe | Cisco | 3.17.1s (including) | 3.17.1s (including) |
Ios_xe | Cisco | 3.17.3s (including) | 3.17.3s (including) |
Ios_xe | Cisco | 3.18.0as (including) | 3.18.0as (including) |
Ios_xe | Cisco | 3.18.0s (including) | 3.18.0s (including) |
Ios_xe | Cisco | 3.18.0sp (including) | 3.18.0sp (including) |
Ios_xe | Cisco | 3.18.1asp (including) | 3.18.1asp (including) |
Ios_xe | Cisco | 3.18.1bsp (including) | 3.18.1bsp (including) |
Ios_xe | Cisco | 3.18.1csp (including) | 3.18.1csp (including) |
Ios_xe | Cisco | 3.18.1s (including) | 3.18.1s (including) |
Ios_xe | Cisco | 3.18.1sp (including) | 3.18.1sp (including) |
Ios_xe | Cisco | 3.18.2asp (including) | 3.18.2asp (including) |
Ios_xe | Cisco | 3.18.2s (including) | 3.18.2s (including) |
Ios_xe | Cisco | 3.18.2sp (including) | 3.18.2sp (including) |
Ios_xe | Cisco | 3.18.3s (including) | 3.18.3s (including) |
Ios_xe | Cisco | 3.18.3vs (including) | 3.18.3vs (including) |
Ios_xe | Cisco | 16.1.1 (including) | 16.1.1 (including) |
Ios_xe | Cisco | 16.1.2 (including) | 16.1.2 (including) |
Ios_xe | Cisco | 16.1.3 (including) | 16.1.3 (including) |
Ios_xe | Cisco | 16.1.3a (including) | 16.1.3a (including) |
Ios_xe | Cisco | 16.1.4 (including) | 16.1.4 (including) |
Ios_xe | Cisco | 16.2.1 (including) | 16.2.1 (including) |
Ios_xe | Cisco | 16.2.2 (including) | 16.2.2 (including) |
Ios_xe | Cisco | 16.2.2a (including) | 16.2.2a (including) |
Ios_xe | Cisco | 16.2.3 (including) | 16.2.3 (including) |
Ios_xe | Cisco | 16.3.1 (including) | 16.3.1 (including) |
Ios_xe | Cisco | 16.3.1a (including) | 16.3.1a (including) |
Ios_xe | Cisco | 16.3.2 (including) | 16.3.2 (including) |
Ios_xe | Cisco | 16.3.3 (including) | 16.3.3 (including) |
Ios_xe | Cisco | 16.3.4 (including) | 16.3.4 (including) |
Ios_xe | Cisco | 16.4.1 (including) | 16.4.1 (including) |
Ios_xe | Cisco | 16.4.2 (including) | 16.4.2 (including) |
Ios_xe | Cisco | 16.5.1 (including) | 16.5.1 (including) |
Ios_xe | Cisco | 16.5.1a (including) | 16.5.1a (including) |
Ios_xe | Cisco | 16.5.1b (including) | 16.5.1b (including) |
Ios_xe | Cisco | 16.5.1c (including) | 16.5.1c (including) |
Limited resources include memory, file system storage, database connection pool entries, and CPU. If an attacker can trigger the allocation of these limited resources, but the number or size of the resources is not controlled, then the attacker could cause a denial of service that consumes all available resources. This would prevent valid users from accessing the product, and it could potentially have an impact on the surrounding environment. For example, a memory exhaustion attack against an application could slow down the application as well as its host operating system. There are at least three distinct scenarios which can commonly lead to resource exhaustion:
Resource exhaustion problems are often result due to an incorrect implementation of the following situations:
Mitigation of resource exhaustion attacks requires that the target system either:
The first of these solutions is an issue in itself though, since it may allow attackers to prevent the use of the system by a particular valid user. If the attacker impersonates the valid user, they may be able to prevent the user from accessing the server in question.
The second solution is simply difficult to effectively institute – and even when properly done, it does not provide a full solution. It simply makes the attack require more resources on the part of the attacker.