Is CVE-2025-30346 actively exploited?

CVE-2025-30346 has no public evidence of in-the-wild exploitation as of 2025-04-02.

What is the CVSS score for CVE-2025-30346?

CVE-2025-30346 has a CVSS score of 5.4 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N.

How do I patch CVE-2025-30346?

Patch guidance is available from varnish-software security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-30346.

CVE-2025-30346 - remediation guidance & executive summary

Q: Which products are affected by CVE-2025-30346?

26 products: varnish-software varnish enterprise, varnish-software varnish enterprise, varnish-software varnish enterprise, varnish-software varnish enterprise, varnish-software varnish enterprise, and 21 more.

Description

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

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
Attack Vector: network
Complexity: high
Privileges: none
User Action: none
Scope: changed
Confidentiality: low
Integrity: low
Availability: none
Weaknesses: CWE-444 CWE-444

Metadata

Primary Vendor: VARNISH-SOFTWARE
Published: 3/21/2025
Last Modified: 4/2/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

varnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish_cache_project : varnish_cache

Remediation Guidance

Executive Summary

View on NIST NVD