CVE-2025-11621

HIGH EPSS 38.4%
Published Oct 23, 20258mo ago · Modified Jun 17, 20261w ago
8.1 CVSS 3.1
High
Find Similar
Published Oct 23, 2025 8mo ago
Last Modified Jun 17, 2026 1w ago

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

CVSS Details

Base Score
8.1
Exploitability
2.8
Impact
5.2
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability None

Threat Intelligence

EPSS Exploit Probability
38.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-288

Affected Products 5

VendorProductVersionRange
hashicorpvault*≥0.6.0  –  <1.16.27
hashicorpvault*≥0.6.0  –  <1.21.0
hashicorpvault*≥1.18.0  –  ≤1.18.15
hashicorpvault*≥1.19.0  –  <1.19.11
hashicorpvault*≥1.20.0  –  <1.20.5

References 1

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.