What is CVE-2022-23029?

CVE-2022-23029 is a medium-severity vulnerability in F5 Big-Ip Access Policy Manager, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 5.3/10. Published 2022-01-25.

How severe is CVE-2022-23029?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in F5 Big-Ip Access Policy Manager

CVE-2022-23029

On BIG-IP version 16.x before 16.1.0, 15.1.x before 15.1.4.1, 14.1.x before 14.1.4.4, and all versions of 13.1.x, 12.1.x, and 11.6.x, when a FastL4 profile is configured on a virtual server, undisclosed traffic can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

Published 2022-01-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.007 (52.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition

References

support.f5.com/csp/article/K50343028 (Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2022-23029?: CVE-2022-23029 is a medium-severity vulnerability in F5 Big-Ip Access Policy Manager, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 5.3/10. Published 2022-01-25.
How severe is CVE-2022-23029?: Medium severity. CVSS v3 base score is 5.3 out of 10.