Vulnerability in F5 Big-Ip Access Policy Manager

CVE-2018-5502

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.

Vulnerability class: Improper Certificate Validation

EPSS: 0.014 (69.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

  • f5sirt@f5.com (x_refsource_CONFIRM, Vendor Advisory)
  • f5sirt@f5.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)

Frequently asked questions

What is CVE-2018-5502?
CVE-2018-5502 is a high-severity vulnerability in F5 Big-Ip Access Policy Manager, classified under Improper Certificate Validation. CVSS score: 7.5/10. Published 2018-03-22.
How severe is CVE-2018-5502?
High severity. CVSS v3 base score is 7.5 out of 10.