#VU27520 Missing Encryption of Sensitive Data in F5 Networks products - CVE-2020-5886

Vulnerability identifier: #VU27520

Vulnerability risk: Medium

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2020-5886

CWE-ID: CWE-311

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

Software vendor:
F5 Networks

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

The vulnerability exists due to the BIG-IP systems setup for connection mirroring in a High Availability (HA) pair transfers sensitive cryptographic objects over an insecure communications channel. A remote attacker can read and modify the Diffie-Hellman (DH) parameters used by data plane SSL/TLS enabled virtual servers.

Install updates from vendor's website.

• https://support.f5.com/csp/article/K65720640