CVE-2025-54500CWE-770

HTTP/2 Vulnerability

Medium · published August 13, 2025

CVSS v4.0
6.9
EPSS
0%
Percentile
41.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
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
EPSS
0.00498 · 41.8th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2025-08-13T14:46Z
EPSS history
Timeline
  • 13 AUG 14:46Z
    HTTP/2 Vulnerability
    cvelistv5