CVE-2025-6011 LOW

CVE-2025-6011: Timing Side-Channel in Vault’s Userpass Auth Method

Vendor Hashicorp
Product Vault
Weakness CWE-203
Published August 1, 2025
Last update August 1, 2025
View on NVD All CVEs

CVSS base score

3.7/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

What the vulnerability does

01Description

A timing side channel in Vault and Vault Enterprise’s (“Vault”) userpass auth method allowed an attacker to distinguish between existing and non-existing users, and potentially enumerate valid usernames for Vault’s Userpass auth method. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.

Key dates

02Disclosure timeline

August 1, 2025 CVE published
August 1, 2025 Record updated