How severe is CVE-2020-27723?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in F5 Big-Ip Access Policy Manager

CVE-2020-27723

In versions 14.1.0-14.1.3 and 13.1.0-13.1.3.4, a BIG-IP APM virtual server processing PingAccess requests may lead to a restart of the Traffic Management Microkernel (TMM) process.

Published 2020-12-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.010 (62.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.7% 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

F5 Big-Ip Access Policy Manager
Big-Ip Apm — versions 14.1.0-14.1.3, 13.1.0-13.1.3.4

References

support.f5.com/csp/article/K42933418 (Vendor Advisory)

Frequently asked questions

What is CVE-2020-27723?: CVE-2020-27723 is a high-severity vulnerability in F5 Big-Ip Access Policy Manager. CVSS score: 7.5/10. Published 2020-12-24.
How severe is CVE-2020-27723?: High severity. CVSS v3 base score is 7.5 out of 10.