What is CVE-2020-27724?

CVE-2020-27724 is a medium-severity vulnerability in F5 Big-Ip Access Policy Manager, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2020-12-24.

How severe is CVE-2020-27724?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in F5 Big-Ip Access Policy Manager

CVE-2020-27724

In BIG-IP APM versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, 14.1.0-14.1.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2, on systems running more than one TMM instance, authenticated VPN users may consume excessive resources by sending specially-crafted malicious traffic over the tunnel.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.009 (55.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

F5 Big-ip_access_policy_manager
N/a Big-ip Apm — versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, 14.1.0-14.1.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.2, 11.6.1-11.6.5.2

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

f5sirt@f5.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-27724?: CVE-2020-27724 is a medium-severity vulnerability in F5 Big-Ip Access Policy Manager, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2020-12-24.
How severe is CVE-2020-27724?: Medium severity. CVSS v3 base score is 6.5 out of 10.