CVE-2025-54500

MEDIUM
2025-08-13 [email protected]
6.9
CVSS 4.0
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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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

3
Patch Released
Apr 06, 2026 - 14:30 nvd
Patch available
Analysis Generated
Mar 28, 2026 - 19:06 vuln.today
CVE Published
Aug 13, 2025 - 15:15 nvd
MEDIUM 6.9

Tags

Denial Of Service Big Ip Access Policy Manager Big Ip Advanced Firewall Manager Big Ip Advanced Web Application Firewall Big Ip Analytics Big Ip Application Acceleration Manager Big Ip Application Security Manager Big Ip Application Visibility And Reporting Big Ip Automation Toolchain Big Ip Carrier Grade Nat Big Ip Container Ingress Services Big Ip Ddos Hybrid Defender Big Ip Domain Name System Big Ip Edge Gateway Big Ip Fraud Protection Service Big Ip Global Traffic Manager Big Ip Link Controller Big Ip Local Traffic Manager Big Ip Policy Enforcement Manager Big Ip Ssl Orchestrator Big Ip Webaccelerator Big Ip Websafe Big Ip Next Central Manager Big Ip Next Cloud Native Network Functions Big Ip Next For Kubernetes Big Ip Next Service Proxy For Kubernetes Silverline Redhat Suse

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.

Analysis

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). Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as Allocation of Resources Without Limits (CWE-770), which allows attackers to exhaust system resources through uncontrolled allocation. 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. Affected products include: F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Advanced Web Application Firewall, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager.

Affected Products

F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Advanced Web Application Firewall, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Set resource limits, implement rate limiting, validate input sizes.

Priority Score

35
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +34
POC: 0

Vendor Status

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CVE-2025-54500 vulnerability details – vuln.today
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