CVE-2025-54500 - CVE House
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Status published Medium CVE-2025-54500

HTTP/2 Vulnerability

Vulnerability Description

An HTTP/2 implementation flaw allows a denial-of-service (DoS) that uses malformed HTTP/2 control frames in order to break the max concurrent streams limit (HTTP/2 MadeYouReset Attack).  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • F5 acknowledges Gal Bar Nahum, Anat Bremler-Barr and Yaniv Harel for bringing this issue to our attention and following the highest standards of coordinated disclosure.

Affected Vendor

Affected Software

BIG-IP, BIG-IP Next, BIG-IP Next SPK, BIG-IP Next CNF, BIG-IP Next for Kubernetes
Vulnerable Versions:
17.5.0, 17.1.0, 16.1.0, 15.1.0, 20.3.0, 2.0.0, 1.7.0, 1.1.0

Timeline

Official Publish: August 13th, 2025
Last Modified: November 3rd, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weaknesses (CWE)