Description
When the BIG-IP Advanced WAF and ASM security policy and a server-side HTTP/2 profile are configured on a virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Published: 2025-10-15
Score: 8.7 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 22 Oct 2025 19:30:00 +0000

Type Values Removed Values Added
First Time appeared F5 big-ip Application Security Manager
CPEs cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
Vendors & Products F5 big-ip Application Security Manager

Mon, 20 Oct 2025 13:30:00 +0000

Type Values Removed Values Added
First Time appeared F5
F5 big-ip
Vendors & Products F5
F5 big-ip

Wed, 15 Oct 2025 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 15 Oct 2025 14:00:00 +0000

Type Values Removed Values Added
Description When the BIG-IP Advanced WAF and ASM security policy and a server-side HTTP/2 profile are configured on a virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Title BIG-IP HTTP/2 vulnerability
Weaknesses CWE-672
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L'}


Subscriptions

F5 Big-ip Big-ip Application Security Manager
cve-icon MITRE

Status: PUBLISHED

Assigner: f5

Published:

Updated: 2026-02-26T16:57:47.375Z

Reserved: 2025-10-03T23:04:03.900Z

Link: CVE-2025-55669

cve-icon Vulnrichment

Updated: 2025-10-15T17:23:24.634Z

cve-icon NVD

Status : Analyzed

Published: 2025-10-15T14:15:51.767

Modified: 2025-10-22T19:18:59.580

Link: CVE-2025-55669

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-10-20T13:26:38Z

Weaknesses