low3.7
CVE-2025-6011
Hashicorp Vault has an Observable Discrepancy on Existing and Non-Existing Users
Impact
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 packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/hashicorp/vault | < 1.20.1 | 1.20.1 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Hashicorp | Vault | before 1.16.23 before 1.20.1 from 1.17.0 before 1.18.12 from 1.19.0 before 1.19.7 Version 1.20.0 |