Cyber Resilience

CVE-2025-30346

Medium

Published: 21 March 2025

Published
21 March 2025
Modified
02 April 2025
KEV Added
—
Patch
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CVSS Score v3.1 5.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
EPSS Score 0.0040 61.0th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-30346 is a medium-severity HTTP Request/Response Smuggling (CWE-444) vulnerability in Varnish-Software Varnish Enterprise. Its CVSS base score is 5.4 (Medium).

Operationally, ranked in the top 39.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Varnish Cache before 7.6.2 and Varnish Enterprise before 6.0.13r10 allow client-side desync via HTTP/1 requests.

CWE(s)
CWE-444

Related Threats

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

Affected Assets

varnish-software
varnish enterprise
6.0.11, 6.0.12, 6.0.13
varnish cache project
varnish cache
≤ 7.6.2

Mitigating Controls

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

References