CVEvulnerability

CVE-2020-5938

6.5 MEDIUM Published 2020-10-29 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-10-29
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected])
4.0 MEDIUM — AV:N/AC:L/Au:S/C:P/I:N/A:N
Weaknesses
CWE-326

Description

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.

Affected configurations

• f5 big-ip access policy manager (>= 11.6.1 <= 11.6.5.2) • f5 big-ip access policy manager (>= 12.1.0 <= 12.1.5.2) • f5 big-ip access policy manager (>= 13.1.0 <= 13.1.3.4) • f5 big-ip advanced firewall manager (>= 11.6.1 <= 11.6.5.2) • f5 big-ip advanced firewall manager (>= 12.1.0 <= 12.1.5.2) • f5 big-ip advanced firewall manager (>= 13.1.0 <= 13.1.3.4) • f5 big-ip advanced web application firewall (>= 11.6.1 <= 11.6.5.2) • f5 big-ip advanced web application firewall (>= 12.1.0 <= 12.1.5.2) • f5 big-ip advanced web application firewall (>= 13.1.0 <= 13.1.3.4) • f5 big-ip analytics (>= 11.6.1 <= 11.6.5.2) • f5 big-ip analytics (>= 12.1.0 <= 12.1.5.2) • f5 big-ip analytics (>= 13.1.0 <= 13.1.3.4) • f5 big-ip application acceleration manager (>= 11.6.1 <= 11.6.5.2) • f5 big-ip application acceleration manager (>= 12.1.0 <= 12.1.5.2) • f5 big-ip application acceleration manager (>= 13.1.0 <= 13.1.3.4) • f5 big-ip application security manager (>= 11.6.1 <= 11.6.5.2) • f5 big-ip application security manager (>= 12.1.0 <= 12.1.5.2) • f5 big-ip application security manager (>= 13.1.0 <= 13.1.3.4) • f5 big-ip ddos hybrid defender (>= 11.6.1 <= 11.6.5.2) • f5 big-ip ddos hybrid defender (>= 12.1.0 <= 12.1.5.2) • f5 big-ip ddos hybrid defender (>= 13.1.0 <= 13.1.3.4) • f5 big-ip domain name system (>= 11.6.1 <= 11.6.5.2) • f5 big-ip domain name system (>= 12.1.0 <= 12.1.5.2) • f5 big-ip domain name system (>= 13.1.0 <= 13.1.3.4) • f5 big-ip fraud protection service (>= 11.6.1 <= 11.6.5.2) • f5 big-ip fraud protection service (>= 12.1.0 <= 12.1.5.2) • f5 big-ip fraud protection service (>= 13.1.0 <= 13.1.3.4) • f5 big-ip global traffic manager (>= 11.6.1 <= 11.6.5.2) • f5 big-ip global traffic manager (>= 12.1.0 <= 12.1.5.2) • f5 big-ip global traffic manager (>= 13.1.0 <= 13.1.3.4) • f5 big-ip link controller (>= 11.6.1 <= 11.6.5.2) • f5 big-ip link controller (>= 12.1.0 <= 12.1.5.2) • f5 big-ip link controller (>= 13.1.0 <= 13.1.3.4) • f5 big-ip local traffic manager (>= 11.6.1 <= 11.6.5.2) • f5 big-ip local traffic manager (>= 12.1.0 <= 12.1.5.2) • f5 big-ip local traffic manager (>= 13.1.0 <= 13.1.3.4) • f5 big-ip policy enforcement manager (>= 11.6.1 <= 11.6.5.2) • f5 big-ip policy enforcement manager (>= 12.1.0 <= 12.1.5.2) • f5 big-ip policy enforcement manager (>= 13.1.0 <= 13.1.3.4) • f5 ssl orchestrator (>= 11.6.1 <= 11.6.5.2) • f5 ssl orchestrator (>= 12.1.0 <= 12.1.5.2) • f5 ssl orchestrator (>= 13.1.0 <= 13.1.3.4)

Related

Weakness · CWE (1)

  • CWE-326 Inadequate Encryption Strength weakness

References