CVE-2025-30347

MEDIUM
2025-03-21 [email protected]
4.0
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 18:32 vuln.today
CVE Published
Mar 21, 2025 - 07:15 nvd
MEDIUM 4.0

Tags

Information Disclosure Buffer Overflow Varnish Enterprise

Description

Varnish Enterprise before 6.0.13r13 allows remote attackers to obtain sensitive information via an out-of-bounds read for range requests on ephemeral MSE4 stevedore objects.

Analysis

Varnish Enterprise before 6.0.13r13 allows remote attackers to obtain sensitive information via an out-of-bounds read for range requests on ephemeral MSE4 stevedore objects. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Technical Context

This vulnerability is classified as Out-of-bounds Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. Varnish Enterprise before 6.0.13r13 allows remote attackers to obtain sensitive information via an out-of-bounds read for range requests on ephemeral MSE4 stevedore objects. Affected products include: Varnish-Software Varnish Enterprise. Version information: before 6.0.13.

Affected Products

Varnish-Software Varnish Enterprise.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.

Priority Score

20
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +20
POC: 0

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CVE-2025-30347 vulnerability details – vuln.today
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