CVE-2025-6011

Summary

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 Software

VendorProductVersion RangeStatus
HashiCorpVault0 < 1.20.1affected
HashiCorpVault Enterprise0 < 1.20.1affected

Weaknesses

  • CWE-203: CWE-203: Observable Discrepancy

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References