Improper Certificate Validation in BIG-IP ASM - CVE-2019-6687

 

Improper Certificate Validation in BIG-IP ASM - CVE-2019-6687

Published: December 20, 2019


Vulnerability identifier: #VU23773
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-6687
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: F5 Networks
Affected software:
BIG-IP ASM

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a man-in-the-middle attack.

The vulnerability exists due to the Cloud Security Services profile uses a built-in verification mechanism that fails to properly authenticate the X.509 certificate of remote endpoints. A remote attacker can perform a man-in-the-middle attack, intercept traffic destined for cloud services and read and modify data that is in transit.


How to mitigate CVE-2019-6687

Install updates from vendor's website.

Sources