Medium severity · published Aug 13, 2025
CVE-2025-54500
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…
5.3
CVSS
0.5%
EPSS
No
On KEV
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BA
Big-ip Access Policy Manager · F5
15.1.0 before 15.1.10.8; 16.1.0 before 16.1.6.1; 17.1.0 before 17.1.3; 17.5.0 before 17.5.1.2 · source: NVD
BA
Big-ip Advanced Firewall Manager · F5
15.1.0 before 15.1.10.8; 16.1.0 before 16.1.6.1; 17.1.0 before 17.1.3; 17.5.0 before 17.5.1.2 · source: NVD
BA
Big-ip Advanced Web Application Firewall · F5
15.1.0 before 15.1.10.8; 16.1.0 before 16.1.6.1; 17.1.0 before 17.1.3; 17.5.0 before 17.5.1.2 · source: NVD
BA
Big-ip Analytics · F5
15.1.0 before 15.1.10.8; 16.1.0 before 16.1.6.1; 17.1.0 before 17.1.3; 17.5.0 before 17.5.1.2 · source: NVD
BA
Big-ip Application Acceleration Manager · F5
15.1.0 before 15.1.10.8; 16.1.0 before 16.1.6.1; 17.1.0 before 17.1.3; 17.5.0 before 17.5.1.2 · source: NVD
BA
Big-ip Application Security Manager · F5
15.1.0 before 15.1.10.8; 16.1.0 before 16.1.6.1; 17.1.0 before 17.1.3; 17.5.0 before 17.5.1.2 · source: NVD
BA
Big-ip Application Visibility And Reporting · F5
15.1.0 before 15.1.10.8; 16.1.0 before 16.1.6.1; 17.1.0 before 17.1.3; 17.5.0 before 17.5.1.2 · source: NVD
BA
Big-ip Automation Toolchain · F5
15.1.0 before 15.1.10.8; 16.1.0 before 16.1.6.1; 17.1.0 before 17.1.3; 17.5.0 before 17.5.1.2 · source: NVD
BC
Big-ip Carrier-grade Nat · F5
15.1.0 before 15.1.10.8; 16.1.0 before 16.1.6.1; 17.1.0 before 17.1.3; 17.5.0 before 17.5.1.2 · source: NVD
BC
Big-ip Container Ingress Services · F5
15.1.0 before 15.1.10.8; 16.1.0 before 16.1.6.1; 17.1.0 before 17.1.3; 17.5.0 before 17.5.1.2 · source: NVD
BD
Big-ip Ddos Hybrid Defender · F5
15.1.0 before 15.1.10.8; 16.1.0 before 16.1.6.1; 17.1.0 before 17.1.3; 17.5.0 before 17.5.1.2 · source: NVD
BD
Big-ip Domain Name System · F5
15.1.0 before 15.1.10.8; 16.1.0 before 16.1.6.1; 17.1.0 before 17.1.3; 17.5.0 before 17.5.1.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-54500
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-54500
Vendor Advisory
https://my.f5.com/manage/s/article/K000152001
Third Party Advisory
https://www.kb.cert.org/vuls/id/767506
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