VULNERABILITY INTELLIGENCE

CVE-2018-5502

CVSS score7.5 HIGH

EPSS probability1.32%

CISA KEVNot currently listed

Published2018-03-22

Last modified2026-06-17

CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

On F5 BIG-IP versions 13.0.0 - 13.1.0.3, attackers may be able to disrupt services on the BIG-IP system with maliciously crafted client certificate. This vulnerability affects virtual servers associated with Client SSL profile which enables the use of client certificate authentication. Client certificate authentication is not enabled by default in Client SSL profile. There is no control plane exposure.

Weakness classification

CWE-295: Improper Certificate Validation

Primary references

f5sirt@f5.com — Third Party Advisory, VDB Entry
f5sirt@f5.com — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory