CVE-2025-11621

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

CVSS v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://discuss.hashicorp.com/t/hcsec-2025-30-vault-aws-auth-method-authentication-bypass-through-mishandling-of-cache-entries/76709	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:hashicorp:vault:::::enterprise:::*
	cpe:2.3:a:hashicorp:vault:::::-:::*
	cpe:2.3:a:hashicorp:vault:::::enterprise:::*
	cpe:2.3:a:hashicorp:vault:::::enterprise:::*
	cpe:2.3:a:hashicorp:vault:::::enterprise:::*

History

29 Dec 2025, 17:17

Type	Values Removed	Values Added
References	~~() https://discuss.hashicorp.com/t/hcsec-2025-30-vault-aws-auth-method-authentication-bypass-through-mishandling-of-cache-entries/76709 -~~	() https://discuss.hashicorp.com/t/hcsec-2025-30-vault-aws-auth-method-authentication-bypass-through-mishandling-of-cache-entries/76709 - Vendor Advisory
First Time		Hashicorp vault Hashicorp
CPE		cpe:2.3:a:hashicorp:vault:::::-:::* cpe:2.3:a:hashicorp:vault:::::enterprise:::*

23 Oct 2025, 19:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-10-23 19:15

Updated : 2025-12-29 17:17

NVD link : CVE-2025-11621

Mitre link : CVE-2025-11621

CVE.ORG link : CVE-2025-11621

JSON object : View

Products Affected

hashicorp

vault

CWE

CWE-288

Authentication Bypass Using an Alternate Path or Channel

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