Vulnerabilities
Misconfiguration
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CVE Vulnerabilities

CVE-2025-21593

Improper Control of a Resource Through its Lifetime

Published: Jan 09, 2025 | Modified: Jan 26, 2026
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2025-21593
CWEhttps://cwe.mitre.org/data/definitions/664.html

An Improper Control of a Resource Through its Lifetime vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network-based attacker to cause a Denial-of-Service (DoS).

On devices with SRv6 (Segment Routing over IPv6) enabled, an attacker can send a malformed BGP UPDATE packet which will cause the rpd to crash and restart. Continued receipt of these UPDATE packets will cause a sustained DoS condition. 

This issue affects iBGP and eBGP, and both IPv4 and IPv6 are affected by this vulnerability.This issue affects Junos OS: 

  • All versions before 21.2R3-S9, 
  • from 21.4 before 21.4R3-S10, 
  • from 22.2 before 22.2R3-S5, 
  • from 22.3 before 22.3R3-S4, 
  • from 22.4 before 22.4R3-S3, 
  • from 23.2 before 23.2R2-S2, 
  • from 23.4 before 23.4R2;

and Junos OS Evolved: 

  • All versions before 21.2R3-S9-EVO, 
  • from 21.4-EVO before 21.4R3-S10-EVO, 
  • from 22.2-EVO before 22.2R3-S5-EVO, 
  • from 22.3-EVO before 22.3R3-S4-EVO, 
  • from 22.4-EVO before 22.4R3-S3-EVO,
  • from 23.2-EVO before 23.2R2-S2-EVO, 
  • from 23.4-EVO before 23.4R2-EVO.

Weakness

The product does not maintain or incorrectly maintains control over a resource throughout its lifetime of creation, use, and release.

Affected Software

NameVendorStart VersionEnd Version
JunosJuniper*21.2 (excluding)
JunosJuniper21.2 (including)21.2 (including)
JunosJuniper21.2-r1 (including)21.2-r1 (including)
JunosJuniper21.2-r1-s1 (including)21.2-r1-s1 (including)
JunosJuniper21.2-r1-s2 (including)21.2-r1-s2 (including)
JunosJuniper21.2-r2 (including)21.2-r2 (including)
JunosJuniper21.2-r2-s1 (including)21.2-r2-s1 (including)
JunosJuniper21.2-r2-s2 (including)21.2-r2-s2 (including)
JunosJuniper21.2-r3 (including)21.2-r3 (including)
JunosJuniper21.2-r3-s1 (including)21.2-r3-s1 (including)
JunosJuniper21.2-r3-s2 (including)21.2-r3-s2 (including)
JunosJuniper21.2-r3-s3 (including)21.2-r3-s3 (including)
JunosJuniper21.2-r3-s4 (including)21.2-r3-s4 (including)
JunosJuniper21.2-r3-s5 (including)21.2-r3-s5 (including)
JunosJuniper21.2-r3-s6 (including)21.2-r3-s6 (including)
JunosJuniper21.2-r3-s7 (including)21.2-r3-s7 (including)
JunosJuniper21.2-r3-s8 (including)21.2-r3-s8 (including)
JunosJuniper21.4 (including)21.4 (including)
JunosJuniper21.4-r1 (including)21.4-r1 (including)
JunosJuniper21.4-r1-s1 (including)21.4-r1-s1 (including)
JunosJuniper21.4-r1-s2 (including)21.4-r1-s2 (including)
JunosJuniper21.4-r2 (including)21.4-r2 (including)
JunosJuniper21.4-r2-s1 (including)21.4-r2-s1 (including)
JunosJuniper21.4-r2-s2 (including)21.4-r2-s2 (including)
JunosJuniper21.4-r3 (including)21.4-r3 (including)
JunosJuniper21.4-r3-s1 (including)21.4-r3-s1 (including)
JunosJuniper21.4-r3-s2 (including)21.4-r3-s2 (including)
JunosJuniper21.4-r3-s3 (including)21.4-r3-s3 (including)
JunosJuniper21.4-r3-s4 (including)21.4-r3-s4 (including)
JunosJuniper21.4-r3-s5 (including)21.4-r3-s5 (including)
JunosJuniper21.4-r3-s6 (including)21.4-r3-s6 (including)
JunosJuniper21.4-r3-s7 (including)21.4-r3-s7 (including)
JunosJuniper21.4-r3-s8 (including)21.4-r3-s8 (including)
JunosJuniper21.4-r3-s9 (including)21.4-r3-s9 (including)
JunosJuniper22.2 (including)22.2 (including)
JunosJuniper22.2-r1 (including)22.2-r1 (including)
JunosJuniper22.2-r1-s1 (including)22.2-r1-s1 (including)
JunosJuniper22.2-r1-s2 (including)22.2-r1-s2 (including)
JunosJuniper22.2-r2 (including)22.2-r2 (including)
JunosJuniper22.2-r2-s1 (including)22.2-r2-s1 (including)
JunosJuniper22.2-r2-s2 (including)22.2-r2-s2 (including)
JunosJuniper22.2-r3 (including)22.2-r3 (including)
JunosJuniper22.2-r3-s1 (including)22.2-r3-s1 (including)
JunosJuniper22.2-r3-s2 (including)22.2-r3-s2 (including)
JunosJuniper22.2-r3-s3 (including)22.2-r3-s3 (including)
JunosJuniper22.2-r3-s4 (including)22.2-r3-s4 (including)
JunosJuniper22.3 (including)22.3 (including)
JunosJuniper22.3-r1 (including)22.3-r1 (including)
JunosJuniper22.3-r1-s1 (including)22.3-r1-s1 (including)
JunosJuniper22.3-r1-s2 (including)22.3-r1-s2 (including)
JunosJuniper22.3-r2 (including)22.3-r2 (including)
JunosJuniper22.3-r2-s1 (including)22.3-r2-s1 (including)
JunosJuniper22.3-r2-s2 (including)22.3-r2-s2 (including)
JunosJuniper22.3-r3 (including)22.3-r3 (including)
JunosJuniper22.3-r3-s1 (including)22.3-r3-s1 (including)
JunosJuniper22.3-r3-s2 (including)22.3-r3-s2 (including)
JunosJuniper22.3-r3-s3 (including)22.3-r3-s3 (including)
JunosJuniper22.4 (including)22.4 (including)
JunosJuniper22.4-r1 (including)22.4-r1 (including)
JunosJuniper22.4-r1-s1 (including)22.4-r1-s1 (including)
JunosJuniper22.4-r1-s2 (including)22.4-r1-s2 (including)
JunosJuniper22.4-r2 (including)22.4-r2 (including)
JunosJuniper22.4-r2-s1 (including)22.4-r2-s1 (including)
JunosJuniper22.4-r2-s2 (including)22.4-r2-s2 (including)
JunosJuniper22.4-r3 (including)22.4-r3 (including)
JunosJuniper22.4-r3-s1 (including)22.4-r3-s1 (including)
JunosJuniper22.4-r3-s2 (including)22.4-r3-s2 (including)
JunosJuniper23.2 (including)23.2 (including)
JunosJuniper23.2-r1 (including)23.2-r1 (including)
JunosJuniper23.2-r1-s1 (including)23.2-r1-s1 (including)
JunosJuniper23.2-r1-s2 (including)23.2-r1-s2 (including)
JunosJuniper23.2-r2 (including)23.2-r2 (including)
JunosJuniper23.2-r2-s1 (including)23.2-r2-s1 (including)
JunosJuniper23.4 (including)23.4 (including)
JunosJuniper23.4-r1 (including)23.4-r1 (including)
JunosJuniper23.4-r1-s1 (including)23.4-r1-s1 (including)
JunosJuniper23.4-r1-s2 (including)23.4-r1-s2 (including)
Junos_os_evolvedJuniper*21.2 (excluding)
Junos_os_evolvedJuniper21.2 (including)21.2 (including)
Junos_os_evolvedJuniper21.2-r1 (including)21.2-r1 (including)
Junos_os_evolvedJuniper21.2-r1-s1 (including)21.2-r1-s1 (including)
Junos_os_evolvedJuniper21.2-r1-s2 (including)21.2-r1-s2 (including)
Junos_os_evolvedJuniper21.2-r2 (including)21.2-r2 (including)
Junos_os_evolvedJuniper21.2-r2-s1 (including)21.2-r2-s1 (including)
Junos_os_evolvedJuniper21.2-r2-s2 (including)21.2-r2-s2 (including)
Junos_os_evolvedJuniper21.2-r3 (including)21.2-r3 (including)
Junos_os_evolvedJuniper21.2-r3-s1 (including)21.2-r3-s1 (including)
Junos_os_evolvedJuniper21.2-r3-s2 (including)21.2-r3-s2 (including)
Junos_os_evolvedJuniper21.2-r3-s3 (including)21.2-r3-s3 (including)
Junos_os_evolvedJuniper21.2-r3-s4 (including)21.2-r3-s4 (including)
Junos_os_evolvedJuniper21.2-r3-s5 (including)21.2-r3-s5 (including)
Junos_os_evolvedJuniper21.2-r3-s6 (including)21.2-r3-s6 (including)
Junos_os_evolvedJuniper21.2-r3-s7 (including)21.2-r3-s7 (including)
Junos_os_evolvedJuniper21.2-r3-s8 (including)21.2-r3-s8 (including)
Junos_os_evolvedJuniper21.4 (including)21.4 (including)
Junos_os_evolvedJuniper21.4-r1 (including)21.4-r1 (including)
Junos_os_evolvedJuniper21.4-r1-s1 (including)21.4-r1-s1 (including)
Junos_os_evolvedJuniper21.4-r1-s2 (including)21.4-r1-s2 (including)
Junos_os_evolvedJuniper21.4-r2 (including)21.4-r2 (including)
Junos_os_evolvedJuniper21.4-r2-s1 (including)21.4-r2-s1 (including)
Junos_os_evolvedJuniper21.4-r2-s2 (including)21.4-r2-s2 (including)
Junos_os_evolvedJuniper21.4-r3 (including)21.4-r3 (including)
Junos_os_evolvedJuniper21.4-r3-s1 (including)21.4-r3-s1 (including)
Junos_os_evolvedJuniper21.4-r3-s2 (including)21.4-r3-s2 (including)
Junos_os_evolvedJuniper21.4-r3-s3 (including)21.4-r3-s3 (including)
Junos_os_evolvedJuniper21.4-r3-s4 (including)21.4-r3-s4 (including)
Junos_os_evolvedJuniper21.4-r3-s5 (including)21.4-r3-s5 (including)
Junos_os_evolvedJuniper21.4-r3-s6 (including)21.4-r3-s6 (including)
Junos_os_evolvedJuniper21.4-r3-s7 (including)21.4-r3-s7 (including)
Junos_os_evolvedJuniper21.4-r3-s8 (including)21.4-r3-s8 (including)
Junos_os_evolvedJuniper21.4-r3-s9 (including)21.4-r3-s9 (including)
Junos_os_evolvedJuniper22.2 (including)22.2 (including)
Junos_os_evolvedJuniper22.2-r1 (including)22.2-r1 (including)
Junos_os_evolvedJuniper22.2-r1-s1 (including)22.2-r1-s1 (including)
Junos_os_evolvedJuniper22.2-r1-s2 (including)22.2-r1-s2 (including)
Junos_os_evolvedJuniper22.2-r2 (including)22.2-r2 (including)
Junos_os_evolvedJuniper22.2-r2-s1 (including)22.2-r2-s1 (including)
Junos_os_evolvedJuniper22.2-r2-s2 (including)22.2-r2-s2 (including)
Junos_os_evolvedJuniper22.2-r3 (including)22.2-r3 (including)
Junos_os_evolvedJuniper22.2-r3-s1 (including)22.2-r3-s1 (including)
Junos_os_evolvedJuniper22.2-r3-s2 (including)22.2-r3-s2 (including)
Junos_os_evolvedJuniper22.2-r3-s3 (including)22.2-r3-s3 (including)
Junos_os_evolvedJuniper22.2-r3-s4 (including)22.2-r3-s4 (including)
Junos_os_evolvedJuniper22.3 (including)22.3 (including)
Junos_os_evolvedJuniper22.3-r1 (including)22.3-r1 (including)
Junos_os_evolvedJuniper22.3-r1-s1 (including)22.3-r1-s1 (including)
Junos_os_evolvedJuniper22.3-r1-s2 (including)22.3-r1-s2 (including)
Junos_os_evolvedJuniper22.3-r2 (including)22.3-r2 (including)
Junos_os_evolvedJuniper22.3-r2-s1 (including)22.3-r2-s1 (including)
Junos_os_evolvedJuniper22.3-r2-s2 (including)22.3-r2-s2 (including)
Junos_os_evolvedJuniper22.3-r3 (including)22.3-r3 (including)
Junos_os_evolvedJuniper22.3-r3-s1 (including)22.3-r3-s1 (including)
Junos_os_evolvedJuniper22.3-r3-s2 (including)22.3-r3-s2 (including)
Junos_os_evolvedJuniper22.3-r3-s3 (including)22.3-r3-s3 (including)
Junos_os_evolvedJuniper22.4 (including)22.4 (including)
Junos_os_evolvedJuniper22.4-r1 (including)22.4-r1 (including)
Junos_os_evolvedJuniper22.4-r1-s1 (including)22.4-r1-s1 (including)
Junos_os_evolvedJuniper22.4-r1-s2 (including)22.4-r1-s2 (including)
Junos_os_evolvedJuniper22.4-r2 (including)22.4-r2 (including)
Junos_os_evolvedJuniper22.4-r2-s1 (including)22.4-r2-s1 (including)
Junos_os_evolvedJuniper22.4-r2-s2 (including)22.4-r2-s2 (including)
Junos_os_evolvedJuniper22.4-r3 (including)22.4-r3 (including)
Junos_os_evolvedJuniper22.4-r3-s1 (including)22.4-r3-s1 (including)
Junos_os_evolvedJuniper22.4-r3-s2 (including)22.4-r3-s2 (including)
Junos_os_evolvedJuniper23.2 (including)23.2 (including)
Junos_os_evolvedJuniper23.2-r1 (including)23.2-r1 (including)
Junos_os_evolvedJuniper23.2-r1-s1 (including)23.2-r1-s1 (including)
Junos_os_evolvedJuniper23.2-r1-s2 (including)23.2-r1-s2 (including)
Junos_os_evolvedJuniper23.2-r2 (including)23.2-r2 (including)
Junos_os_evolvedJuniper23.2-r2-s1 (including)23.2-r2-s1 (including)
Junos_os_evolvedJuniper23.4 (including)23.4 (including)
Junos_os_evolvedJuniper23.4-r1 (including)23.4-r1 (including)
Junos_os_evolvedJuniper23.4-r1-s1 (including)23.4-r1-s1 (including)
Junos_os_evolvedJuniper23.4-r1-s2 (including)23.4-r1-s2 (including)

Extended Description

Resources often have explicit instructions on how to be created, used and destroyed. When code does not follow these instructions, it can lead to unexpected behaviors and potentially exploitable states. Even without explicit instructions, various principles are expected to be adhered to, such as “Do not use an object until after its creation is complete,” or “do not use an object after it has been slated for destruction.”

References

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