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CVE-2025-6011

nvd nist
Published: Aug 1, 2025Modified: Jun 17, 2026

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3.7
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Exploitability: 2.2 / Impact: 1.4
Source: security@hashicorp.com (Secondary)

Description

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.

Affected (5)

Products: Hashicorp: Vault
Hashicorp
1 product
Vault
Configuration A
5 vulnerable
Vulnerable SoftwareAffected Versions
Hashicorp
Vault
Before 1.20.1
Vault
Before 1.16.23
Vault
From 1.17.0 to 1.18.12
Vault
From 1.19.0 to 1.19.7
Vault
Version 1.20.0

Related CWEs

CWE-203
Observable Discrepancy
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.

References (1)

Source: security@hashicorp.com
Vendor Advisory

Timeline

No history available yet.