Security features bypass in F5 Networks products - CVE-2020-5884

Vulnerability identifier: #VU27518

CSH Severity: Medium

CVSS v4: 8.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-5884

CWE-ID: CWE-254

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the default deployment mode for BIG-IP high availability (HA) pair mirroring is insecure. A remote attacker can read and modify data in transit.

Depending on the deployment, this may include state mirroring messages, client connection details, client data packets, and/or client persistence data.

BIG-IP FPS
BIG-IP LTM
BIG-IP GTM
BIG-IP PEM
BIG-IP AFM
BIG-IP ASM
BIG-IP Analytics
BIG-IP APM
BIG-IP
BIG-IP Link Controller
BIG-IP AAM
BIG-IP DNS

Install updates from vendor's website.

BIG-IP FPS - update to 16.0.0
BIG-IP LTM - update to 16.0.0
BIG-IP - update to 16.0.0
BIG-IP GTM - update to 16.0.0
BIG-IP PEM - update to 16.0.0
BIG-IP Link Controller - update to 16.0.0
BIG-IP AAM - update to 16.0.0
BIG-IP DNS - update to 16.0.0
BIG-IP AFM - update to 16.0.0
BIG-IP ASM - update to 16.0.0
BIG-IP Analytics - update to 16.0.0
BIG-IP APM - update to 16.0.0

• https://support.f5.com/csp/article/K72540690

• Security features bypass in F5 BIG-IP products