CVE-2025-4656— Vault Vulnerable to Recovery Key Cancellation Denial of Service
Quick assessment
Affected
HashiCorp Vault
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
HashiCorp Vault Enterprise和HashiCorp Vault Community都是美国HashiCorp公司的产品。HashiCorp Vault Enterprise是一个企业信息归档平台。HashiCorp Vault Community是一款密钥管理引擎。用来集中存储集群运行过程中所需要的秘密信息。 HashiCorp Vault Enterprise和HashiCorp Vault Community存在安全漏洞，该漏洞源于操作员取消操作可能导致拒绝服务。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-4656
Vulnerability Information
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Vulnerability Title
Vault Vulnerable to Recovery Key Cancellation Denial of Service
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
远程资源无超时同步访问
Source: CVE Program / CVE List V5
Vulnerability Title
HashiCorp Vault Enterprise和HashiCorp Vault Community 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HashiCorp Vault Enterprise和HashiCorp Vault Community都是美国HashiCorp公司的产品。HashiCorp Vault Enterprise是一个企业信息归档平台。HashiCorp Vault Community是一款密钥管理引擎。用来集中存储集群运行过程中所需要的秘密信息。 HashiCorp Vault Enterprise和HashiCorp Vault Community存在安全漏洞，该漏洞源于操作员取消操作可能导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| HashiCorp | Vault | 1.14.8 ~ 1.20.0 | - |
|
| HashiCorp | Vault Enterprise | 1.14.8 ~ 1.20.0 | - |
|
II. Public POCs for CVE-2025-4656
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2025-4656 (1)
IV. Related Vulnerabilities
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Consul vulnerable to a denial of service in the native RPC l
Same weakness: CWE-1088
V. Comments for CVE-2025-4656
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