CVE Vulnerabilities

CVE-2020-5938

Inadequate Encryption Strength

Published: Oct 29, 2020 | Modified: Nov 09, 2020
CVSS 3.x
6.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.x
4 MEDIUM
AV:N/AC:L/Au:S/C:P/I:N/A:N
RedHat/V2
RedHat/V3
Ubuntu

On BIG-IP 13.1.0-13.1.3.4, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2, when negotiating IPSec tunnels with configured, authenticated peers, the peer may negotiate a different key length than the BIG-IP configuration would otherwise allow.

Weakness

The product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required.

Affected Software

Name Vendor Start Version End Version
Big-ip_access_policy_manager F5 11.6.1 (including) 11.6.5.2 (including)
Big-ip_access_policy_manager F5 12.1.0 (including) 12.1.5.2 (including)
Big-ip_access_policy_manager F5 13.1.0 (including) 13.1.3.4 (including)
Big-ip_advanced_firewall_manager F5 11.6.1 (including) 11.6.5.2 (including)
Big-ip_advanced_firewall_manager F5 12.1.0 (including) 12.1.5.2 (including)
Big-ip_advanced_firewall_manager F5 13.1.0 (including) 13.1.3.4 (including)
Big-ip_advanced_web_application_firewall F5 11.6.1 (including) 11.6.5.2 (including)
Big-ip_advanced_web_application_firewall F5 12.1.0 (including) 12.1.5.2 (including)
Big-ip_advanced_web_application_firewall F5 13.1.0 (including) 13.1.3.4 (including)
Big-ip_analytics F5 11.6.1 (including) 11.6.5.2 (including)
Big-ip_analytics F5 12.1.0 (including) 12.1.5.2 (including)
Big-ip_analytics F5 13.1.0 (including) 13.1.3.4 (including)
Big-ip_application_acceleration_manager F5 11.6.1 (including) 11.6.5.2 (including)
Big-ip_application_acceleration_manager F5 12.1.0 (including) 12.1.5.2 (including)
Big-ip_application_acceleration_manager F5 13.1.0 (including) 13.1.3.4 (including)
Big-ip_application_security_manager F5 11.6.1 (including) 11.6.5.2 (including)
Big-ip_application_security_manager F5 12.1.0 (including) 12.1.5.2 (including)
Big-ip_application_security_manager F5 13.1.0 (including) 13.1.3.4 (including)
Big-ip_ddos_hybrid_defender F5 11.6.1 (including) 11.6.5.2 (including)
Big-ip_ddos_hybrid_defender F5 12.1.0 (including) 12.1.5.2 (including)
Big-ip_ddos_hybrid_defender F5 13.1.0 (including) 13.1.3.4 (including)
Big-ip_domain_name_system F5 11.6.1 (including) 11.6.5.2 (including)
Big-ip_domain_name_system F5 12.1.0 (including) 12.1.5.2 (including)
Big-ip_domain_name_system F5 13.1.0 (including) 13.1.3.4 (including)
Big-ip_fraud_protection_service F5 11.6.1 (including) 11.6.5.2 (including)
Big-ip_fraud_protection_service F5 12.1.0 (including) 12.1.5.2 (including)
Big-ip_fraud_protection_service F5 13.1.0 (including) 13.1.3.4 (including)
Big-ip_global_traffic_manager F5 11.6.1 (including) 11.6.5.2 (including)
Big-ip_global_traffic_manager F5 12.1.0 (including) 12.1.5.2 (including)
Big-ip_global_traffic_manager F5 13.1.0 (including) 13.1.3.4 (including)
Big-ip_link_controller F5 11.6.1 (including) 11.6.5.2 (including)
Big-ip_link_controller F5 12.1.0 (including) 12.1.5.2 (including)
Big-ip_link_controller F5 13.1.0 (including) 13.1.3.4 (including)
Big-ip_local_traffic_manager F5 11.6.1 (including) 11.6.5.2 (including)
Big-ip_local_traffic_manager F5 12.1.0 (including) 12.1.5.2 (including)
Big-ip_local_traffic_manager F5 13.1.0 (including) 13.1.3.4 (including)
Big-ip_policy_enforcement_manager F5 11.6.1 (including) 11.6.5.2 (including)
Big-ip_policy_enforcement_manager F5 12.1.0 (including) 12.1.5.2 (including)
Big-ip_policy_enforcement_manager F5 13.1.0 (including) 13.1.3.4 (including)
Ssl_orchestrator F5 11.6.1 (including) 11.6.5.2 (including)
Ssl_orchestrator F5 12.1.0 (including) 12.1.5.2 (including)
Ssl_orchestrator F5 13.1.0 (including) 13.1.3.4 (including)

Potential Mitigations

References