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

Summary

Timing Side-Channel in Vault’s Userpass Auth Method

Original description

The description as published by the source.

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.

Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV

Affected packages

Bitnami vault

[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.20.1"}]}]

References

advisory discuss.hashicorp.com
web nvd.nist.gov