CVE-2025-30346 — MEDIUM (5.4)

Q: What is CVE-2025-30346?

CVE-2025-30346 is a vulnerability with a CVSS score of 5.4 (MEDIUM). Varnish Cache before 7.6.2 and Varnish Enterprise before 6.0.13r10 allow client-side desync via HTTP/1 requests.

Q: How severe is CVE-2025-30346?

CVE-2025-30346 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-30346?

Check the references section above for vendor advisories and patch information. Affected products include: Varnish-Software Varnish Enterprise, Varnish Cache Project Varnish Cache.

Vulnerability Description

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

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Varnish-Software	Varnish Enterprise	6.0.11
Varnish Cache Project	Varnish Cache	< 7.6.2

Related Weaknesses (CWE)

CWE-444

References

FAQ

What is CVE-2025-30346?

CVE-2025-30346 is a vulnerability with a CVSS score of 5.4 (MEDIUM). Varnish Cache before 7.6.2 and Varnish Enterprise before 6.0.13r10 allow client-side desync via HTTP/1 requests.

How severe is CVE-2025-30346?

CVE-2025-30346 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-30346?

Check the references section above for vendor advisories and patch information. Affected products include: Varnish-Software Varnish Enterprise, Varnish Cache Project Varnish Cache.