VULNERABILITY INTELLIGENCE
CVE-2020-5913
CVSS score7.4 HIGH
EPSS probability0.50%
CISA KEVNot currently listed
Published2020-08-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Description
In versions 15.0.0-15.1.0.1, 14.1.0-14.1.2.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.2, the BIG-IP Client or Server SSL profile ignores revoked certificates, even when a valid CRL is present. This impacts SSL/TLS connections and may result in a man-in-the-middle attack on the connections.
Weakness classification
- CWE-295: Improper Certificate Validation
Primary references
- f5sirt@f5.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory