Cyber Resilience

CVE-2022-25763

High

Published: 10 August 2022

Published
10 August 2022
Modified
20 October 2025
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS Score 0.0109 78.3th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-25763 is a high-severity HTTP Request/Response Smuggling (CWE-444) vulnerability in Apache Traffic Server. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 21.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Improper Input Validation vulnerability in HTTP/2 request validation of Apache Traffic Server allows an attacker to create smuggle or cache poison attacks. This issue affects Apache Traffic Server 8.0.0 to 9.1.2.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

apache
traffic server
8.0.0 — 8.1.5 · 9.0.0 — 9.1.3
debian
debian linux
11.0
fedoraproject
fedora
35, 36

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References