Is CVE-2025-11621 actively exploited?

No active exploitation of CVE-2025-11621 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2025-11621 be exploited remotely?

Yes. CVE-2025-11621 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2025-11621?

CVE-2025-11621 has a CVSS score of 8.1 (HIGH).

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HIGH

CVE-2025-11621

CWE-288Published: October 23, 2025· Updated: Jun 17, 2026

8.1

CVSS v3.1

Official 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

NVD Source

Technical Analysis

CVE-2025-11621 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 8.1.