CVEvulnerability

CVE-2020-5921

7.5 HIGH Published 2020-08-26 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-08-26
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P

Description

in BIG-IP versions 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, 14.1.0-14.1.2.6, 13.1.0-13.1.3.4, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.2, Syn flood causes large number of MCPD context messages destined to secondary blades consuming memory leading to MCPD failure. This issue affects only VIPRION hosts with two or more blades installed. Single-blade VIPRION hosts are not affected.

Affected configurations

• f5 big-ip access policy manager (>= 12.1.0 < 12.1.5.2) • f5 big-ip access policy manager (>= 14.1.0 < 14.1.2.7) • f5 big-ip access policy manager (>= 15.0.0 < 15.0.1.4) • f5 big-ip access policy manager (>= 15.1.0 < 15.1.0.5) • f5 big-ip advanced firewall manager (>= 12.1.0 < 12.1.5.2) • f5 big-ip advanced firewall manager (>= 14.1.0 < 14.1.2.7) • f5 big-ip advanced firewall manager (>= 15.0.0 < 15.0.1.4) • f5 big-ip advanced firewall manager (>= 15.1.0 < 15.1.0.5) • f5 big-ip analytics (>= 12.1.0 < 12.1.5.2) • f5 big-ip analytics (>= 14.1.0 < 14.1.2.7) • f5 big-ip analytics (>= 15.0.0 < 15.0.1.4) • f5 big-ip analytics (>= 15.1.0 < 15.1.0.5) • f5 big-ip application acceleration manager (>= 12.1.0 < 12.1.5.2) • f5 big-ip application acceleration manager (>= 14.1.0 < 14.1.2.7) • f5 big-ip application acceleration manager (>= 15.0.0 < 15.0.1.4) • f5 big-ip application acceleration manager (>= 15.1.0 < 15.1.0.5) • f5 big-ip application security manager (>= 12.1.0 < 12.1.5.2) • f5 big-ip application security manager (>= 14.1.0 < 14.1.2.7) • f5 big-ip application security manager (>= 15.0.0 < 15.0.1.4) • f5 big-ip application security manager (>= 15.1.0 < 15.1.0.5) • f5 big-ip domain name system (>= 12.1.0 < 12.1.5.2) • f5 big-ip domain name system (>= 14.1.0 < 14.1.2.7) • f5 big-ip domain name system (>= 15.0.0 < 15.0.1.4) • f5 big-ip domain name system (>= 15.1.0 < 15.1.0.5) • f5 big-ip fraud protection service (>= 12.1.0 < 12.1.5.2) • f5 big-ip fraud protection service (>= 14.1.0 < 14.1.2.7) • f5 big-ip fraud protection service (>= 15.0.0 < 15.0.1.4) • f5 big-ip fraud protection service (>= 15.1.0 < 15.1.0.5) • f5 big-ip global traffic manager (>= 12.1.0 < 12.1.5.2) • f5 big-ip global traffic manager (>= 14.1.0 < 14.1.2.7) • f5 big-ip global traffic manager (>= 15.0.0 < 15.0.1.4) • f5 big-ip global traffic manager (>= 15.1.0 < 15.1.0.5) • f5 big-ip link controller (>= 12.1.0 < 12.1.5.2) • f5 big-ip link controller (>= 14.1.0 < 14.1.2.7) • f5 big-ip link controller (>= 15.0.0 < 15.0.1.4) • f5 big-ip link controller (>= 15.1.0 < 15.1.0.5) • f5 big-ip local traffic manager (>= 12.1.0 < 12.1.5.2) • f5 big-ip local traffic manager (>= 14.1.0 < 14.1.2.7) • f5 big-ip local traffic manager (>= 15.0.0 < 15.0.1.4) • f5 big-ip local traffic manager (>= 15.1.0 < 15.1.0.5) • f5 big-ip policy enforcement manager (>= 12.1.0 < 12.1.5.2) • f5 big-ip policy enforcement manager (>= 14.1.0 < 14.1.2.7) • f5 big-ip policy enforcement manager (>= 15.0.0 < 15.0.1.4) • f5 big-ip policy enforcement manager (>= 15.1.0 < 15.1.0.5)

References