CVE-2022-23028

Name: CVE-2022-23028
Creator: NVD / NIST
Published: 2022-01-25T20:15:09.873+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.89%

Last modified Jun 17, 2026

CVE-2022-23028 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. On BIG-IP AFM version 16.x before 16.1.0, 15.1.x before 15.1.5, 14.1.x before 14.1.4.5, and all versions of 13.1.x, when global AFM SYN cookie protection (TCP Half Open flood vector) is activated in the AFM Device Dos or DOS profile, certain types of TCP connections will fail. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.. EPSS estimates a 0.89% chance of exploitation in the next 30 days.

Description

On BIG-IP AFM version 16.x before 16.1.0, 15.1.x before 15.1.5, 14.1.x before 14.1.4.5, and all versions of 13.1.x, when global AFM SYN cookie protection (TCP Half Open flood vector) is activated in the AFM Device Dos or DOS profile, certain types of TCP connections will fail. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS Probability

0.89%

54.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
F5	Big-Ip Advanced Firewall Manager	>= 13.1.0, <= 13.1.4
F5	Big-Ip Advanced Firewall Manager	>= 14.1.0, <= 14.1.4
F5	Big-Ip Advanced Firewall Manager	>= 15.1.0, <= 15.1.4

References

https://support.f5.com/csp/article/K16101409Mitigation, Vendor Advisory
https://support.f5.com/csp/article/K16101409Mitigation, Vendor Advisory

Timeline

Published: Jan 25, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-23028?

How severe is CVE-2022-23028?

CVE-2022-23028 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.89% probability of exploitation in the next 30 days.

How do I fix CVE-2022-23028?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-23028?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST