CVE-2025-54500 MEDIUM

CVE-2025-54500: HTTP/2 Vulnerability

Vendor F5
Product BIG-IP
Weakness CWE-770 · Uncontrolled resource consumption
Published August 13, 2025
Last update November 3, 2025
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 13, 2025 CVE published
November 3, 2025 Record updated