Timing Side-Channel in Vault’s Userpass Auth Method
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| HashiCorp | Vault | unaffected |
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| HashiCorp | Vault Enterprise | unaffected |
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Configuration 1 [-]
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No data.
| Vendor | Product | Versions |
|---|---|---|
| Hashicorp | Vault | — |
| Hashicorp | Vault Enterprise | — |
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2025-23395 | Hashicorp Vault has an Observable Discrepancy on Existing and Non-Existing Users |
Github GHSA |
GHSA-mwgr-84fv-3jh9 | Hashicorp Vault has an Observable Discrepancy on Existing and Non-Existing Users |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.383% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:* cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:* cpe:2.3:a:hashicorp:vault:1.20.0:*:*:*:enterprise:*:*:* |
| Type | Values Removed | Values Added |
|---|---|---|
| References |
| |
| Metrics |
threat_severity
|
threat_severity
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| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Hashicorp
Hashicorp vault Hashicorp vault Enterprise |
|
| Vendors & Products |
Hashicorp
Hashicorp vault Hashicorp vault Enterprise |
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Timing Side-Channel in Vault’s Userpass Auth Method | |
| Weaknesses | CWE-203 | |
| References |
| |
| Metrics |
cvssV3_1
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