CVE-2022-23028

5.3 mediumEPSS 0.9%

Medium (5.3) in f5 big-ip advanced firewall manager. EPSS 0.9% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.3 medium

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

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 59% of CVEs (scores of 2026-10-31)
CWE: CWE-682
Published: 2022-01-25
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

f5:big-ip_advanced_firewall_manager

References

https://support.f5.com/csp/article/K16101409
https://support.f5.com/csp/article/K16101409

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