What is CVE-2019-6592?

CVE-2019-6592 is a critical-severity vulnerability in F5 Big-Ip Access Policy Manager, classified under Improper Certificate Validation. CVSS score: 9.1/10. Published 2019-02-26.

How severe is CVE-2019-6592?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in F5 Big-Ip Access Policy Manager

CVE-2019-6592

On BIG-IP 14.1.0-14.1.0.1, TMM may restart and produce a core file when validating SSL certificates in client SSL or server SSL profiles.

Vulnerability class: Improper Certificate Validation

Published 2019-02-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (62.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

www.securityfocus.com/bid/107176 (VDB Entry, Third Party Advisory, vdb-entry)
support.f5.com/csp/article/K54167061 (Vendor Advisory)

Frequently asked questions

What is CVE-2019-6592?: CVE-2019-6592 is a critical-severity vulnerability in F5 Big-Ip Access Policy Manager, classified under Improper Certificate Validation. CVSS score: 9.1/10. Published 2019-02-26.
How severe is CVE-2019-6592?: Critical severity. CVSS v3 base score is 9.1 out of 10.