CVE-2025-11621— Vault AWS auth method bypass due to AWS client cache
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是美国HashiCorp公司的一个企业信息归档平台。 HashiCorp Vault Enterprise 1.21.0版本、1.20.5版本、1.19.11版本和1.16.27版本存在安全漏洞，该漏洞源于AWS Auth方法中配置的bound_principal_iam角色在AWS账户间相同或使用通配符，可能导致身份验证绕过。
Possible ATT&CK Techniques 1 AI
T1199 · Trusted Relationship
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I. Basic Information for CVE-2025-11621
Vulnerability Information
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Vulnerability Title
Vault AWS auth method bypass due to AWS client cache
Source: CVE Program / CVE List V5
Vulnerability Description
Vault and Vault Enterprise’s (“Vault”) AWS Auth method may be susceptible to authentication bypass if the role of the configured bound_principal_iam is the same across AWS accounts, or uses a wildcard. This vulnerability, CVE-2025-11621, is fixed in Vault Community Edition 1.21.0 and Vault Enterprise 1.21.0, 1.20.5, 1.19.11, and 1.16.27
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用候选路径或通道进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
HashiCorp Vault Enterprise 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HashiCorp Vault Enterprise是美国HashiCorp公司的一个企业信息归档平台。 HashiCorp Vault Enterprise 1.21.0版本、1.20.5版本、1.19.11版本和1.16.27版本存在安全漏洞，该漏洞源于AWS Auth方法中配置的bound_principal_iam角色在AWS账户间相同或使用通配符，可能导致身份验证绕过。
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 | 0.6.0 ~ 1.21.0 | - |
|
| HashiCorp | Vault Enterprise | 0.6.0 ~ 1.21.0 | - |
|
II. Public POCs for CVE-2025-11621
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2025-11621 (1)
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