How severe is CVE-2025-35995?

CVE-2025-35995 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-35995 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-35995?

CVE-2025-35995 affects F5 Big-ip Policy Enforcement Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-35995?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-35995 have an EU (EUVD) identifier?

Yes. CVE-2025-35995 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13937.

When was CVE-2025-35995 published?

CVE-2025-35995 was published on 2025-05-07 and last updated on 2026-06-17.

CVE-2025-35995

CVE-2025-35995 is a high-severity vulnerability in F5 Big-ip Policy Enforcement Manager with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.7
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-13937
Weakness: CWE-125
Affected product: F5 Big-ip Policy Enforcement Manager
Published: 2025-05-07
Last modified: 2026-06-17

Description

When a BIG-IP PEM system is licensed with URL categorization, and the URL categorization policy or an iRule with the urlcat command is enabled on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Frequently asked questions

What is CVE-2025-35995?: When a BIG-IP PEM system is licensed with URL categorization, and the URL categorization policy or an iRule with the urlcat command is enabled on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
How severe is CVE-2025-35995?: CVE-2025-35995 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-35995 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-35995?: CVE-2025-35995 affects F5 Big-ip Policy Enforcement Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-35995?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-35995 have an EU (EUVD) identifier?: Yes. CVE-2025-35995 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13937.
When was CVE-2025-35995 published?: CVE-2025-35995 was published on 2025-05-07 and last updated on 2026-06-17.

References

https://my.f5.com/manage/s/article/K000149952

Affected products (1)

cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*

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