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.
History

Thu, 14 Aug 2025 06:30:00 +0000

Type Values Removed Values Added
First Time appeared F5
F5 big-ip
F5 big-ip Next
Vendors & Products F5
F5 big-ip
F5 big-ip Next
References
Metrics threat_severity

None

threat_severity

Moderate


Wed, 13 Aug 2025 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Wed, 13 Aug 2025 15:00:00 +0000

Type Values Removed Values Added
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.
Title HTTP/2 Vulnerability
Weaknesses CWE-770
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: f5

Published:

Updated: 2025-08-13T15:26:07.477Z

Reserved: 2025-07-29T17:12:25.031Z

Link: CVE-2025-54500

cve-icon Vulnrichment

Updated: 2025-08-13T15:25:57.872Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-08-13T15:15:38.547

Modified: 2025-08-13T17:33:46.673

Link: CVE-2025-54500

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-08-13T14:46:55Z

Links: CVE-2025-54500 - Bugzilla