CVE-2025-6011

LOW EPSS 22.3%
Published Aug 1, 202511mo ago · Modified Jun 17, 20261w ago
3.7 CVSS 3.1
Low
Find Similar
Published Aug 1, 2025 11mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
3.7
Exploitability
2.2
Impact
1.4
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
22.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-203

Affected Products 5

VendorProductVersionRange
hashicorpvault* <1.16.23
hashicorpvault* <1.20.1
hashicorpvault*≥1.17.0  –  <1.18.12
hashicorpvault*≥1.19.0  –  <1.19.7
hashicorpvault1.20.0any

References 1

  • discuss.hashicorp.com https://discuss.hashicorp.com/t/hcsec-2025-15-timing-side-channel-in-vault-s-userpass-auth-method/76034
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.