CVE-2025-22891: big-ip policy — Fix

Description

When BIG-IP PEM Control Plane listener Virtual Server is configured with Diameter Endpoint profile, undisclosed traffic can cause the Virtual Server to stop processing new client connections and an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-772 CWE-772

Affected Products

Vendor	Product	Versions
f5	big-ip_policy_enforcement_manager	15.1.0 — 15.1.10.6.0.11.6
f5	big-ip_policy_enforcement_manager	16.1.0 — 16.1.5
f5	big-ip_policy_enforcement_manager	17.1.0 — 17.1.2

References

Advisories & Patches

https://my.f5.com/manage/s/article/K000139778

Frequently Asked Questions

What is CVE-2025-22891? +

When BIG-IP PEM Control Plane listener Virtual Server is configured with Diameter Endpoint profile, undisclosed traffic can cause the Virtual Server to stop processing new client connections and an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-22891? +

CVE-2025-22891 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-22891? +

CVE-2025-22891 affects products from f5, specifically: big-ip_policy_enforcement_manager. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-22891? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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