CVE-2025-6011: low-severity vulnerability in HashiCorp Vault
Timing Side-Channel in Vault’s Userpass Auth Method
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
8Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 3.7epss 0.4%
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:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Related CVEs — HashiCorp Vault
In the same product, most dangerous first.
CVE-2025-6000CRITICALArbitrary Remote Code Execution via Plugin Catalog AbuseEPSS 1.0%CVE-2023-6337HIGHVault May be Vulnerable to a Denial of Service Through Memory Exhaustion When Handling Large HTTP RequestsEPSS 0.8%CVE-2024-0831MEDIUMVault May Expose Sensitive Information When Configuring An Audit Log DeviceEPSS 0.8%CVE-2025-6203HIGHVault unauthenticated denial of service through complex json payloadEPSS 0.7%CVE-2023-5954MEDIUMVault Requests Triggering Policy Checks May Lead To Unbounded Memory ConsumptionEPSS 0.7%CVE-2026-5807HIGHVault Vulnerable to Denial-of-Service via Unauthenticated Root Token Generation/Rekey OperationsEPSS 0.7%