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Vault CVE-2025-4656

| EUVDEUVD-2025-28064 LOW
Synchronous Access of Remote Resource without Timeout (CWE-1088)
2025-06-25 security@hashicorp.com GHSA-fhc2-8qx8-6vj7
3.1
CVSS 3.1 · NVD

Severity by source

NVD PRIMARY
3.1 LOW
AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

Lifecycle Timeline

4
Patch released
Mar 31, 2026 - 21:13 nvd
Patch available
EUVD ID Assigned
Mar 15, 2026 - 23:19 euvd
EUVD-2025-28064
Analysis Generated
Mar 15, 2026 - 23:19 vuln.today
CVE Published
Jun 25, 2025 - 17:15 nvd
LOW 3.1

DescriptionCVE.org

Vault Community and Vault Enterprise rekey and recovery key operations can lead to a denial of service due to uncontrolled cancellation by a Vault operator. This vulnerability (CVE-2025-4656) has been remediated in Vault Community Edition 1.20.0 and Vault Enterprise 1.20.0, 1.19.6, 1.18.11, 1.17.17, and 1.16.22.

Analysis

Vault Community and Vault Enterprise rekey and recovery key operations can lead to a denial of service due to uncontrolled cancellation by a Vault operator. This vulnerability (CVE-2025-4656) has been remediated in Vault Community Edition 1.20.0 and Vault Enterprise 1.20.0, 1.19.6, 1.18.11, 1.17.17, and 1.16.22.

Technical ContextAI

A denial of service vulnerability allows an attacker to disrupt the normal functioning of a system, making it unavailable to legitimate users.

RemediationAI

Implement rate limiting and input validation. Use timeout mechanisms for resource-intensive operations. Deploy DDoS protection where applicable.

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CVE-2025-4656 vulnerability details – vuln.today

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