CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NCVE-2021-3513
High (7.5) in redhat keycloak. EPSS 0.8% chance of exploitation in the next 30 days. Fixed in org.keycloak:keycloak-parent 13.0.0.
A flaw was found in keycloak where a brute force attack is possible even when the permanent lockout feature is enabled. This is due to a wrong error message displayed when wrong credentials are entered. The highest threat from this vulnerability is to confidentiality.
Severity
- EPSS
- 0.8% chance of exploitation in the next 30 days; higher than 56% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-209, CWE-522
- Published
- Modified
- Record from
- the NVD, synced
Affected
- redhat:keycloak
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-xv7h-95r7-595j | Maven | org.keycloak:keycloak-parent | <13.0.0 | 13.0.0 |