Home/CVE/Vault Community and Vault Enterprise rekey and recovery key operations can lead to a denial of service due to uncontroll
CVE

CVE-2025-4656

Vault Community and Vault Enterprise rekey and recovery key operations can lead to a denial of service due to uncontroll

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.

LOW · CVSS 3.1 EPSS 0.00103
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-1088Synchronous Access of Remote Resource without Timeout
▤

Affected Products & Versions

5
hashicorp vault>= 1.14.8 and < 1.16.22
hashicorp vault>= 1.14.8 and < 1.20.0
hashicorp vault>= 1.17.0 and < 1.17.17
hashicorp vault>= 1.18.0 and < 1.18.11
hashicorp vault>= 1.19.0 and < 1.19.6
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Go github.com/hashicorp/vault LOW fixed in 1.20.0
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumAzure Key Vault Modified or Deleted
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Scoring & Timeline

3.1
LOW · CVSS v3.1 · security@hashicorp.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD25 Jun 2025 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

2
suse-csafopenSUSE-SU-2025:15405-1
suse-csafopenSUSE-SU-2025:15254-1
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://discuss.hashicorp.com/t/hcsec-2025-11-vault-vulnerable-to-recovery-key-cancellation-denial-of-service/75570Vendor Advisory
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