CVE-2025-54500

Severity
6.9MEDIUM
EPSS
0.1%
top 75.36%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedAug 13

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.

CVSS 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

Affected Packages30 packages

NVDf5/big-ip_link_controller15.1.015.1.1.0.8+3
NVDf5/big-ip_fraud_protection_service15.1.015.1.10.8+3
NVDf5/big-ip_container_ingress_services15.1.015.1.10.8+3
NVDf5/big-ip_next_service_proxy1.7.01.9.2+1
CVEListV5f5/big-ip17.5.0*+3

🔴Vulnerability Details

2
CVEList
HTTP/2 Vulnerability2025-08-13
GHSA
GHSA-q678-fxj6-jj99: 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 streams2025-08-13

📋Vendor Advisories

2
F5
CVE-2025-54500: An HTTP/2 implementation flaw allows a denial-of-service (DoS) that uses malformed HTTP/2 control frames in order to ...2025-08-13
Red Hat
nginx: HTTP/2 Vulnerability2025-08-13