keycloak accepts an expired certificate by the direct-grant authenticator because of missing time stamp validations. The highest threat from this vulnerability is to data confidentiality and integrity.

This issue was partially fixed in version [13.0.1](https://github.com/keycloak/keycloak/pull/6330) and more completely fixed in version [14.0.0](https://github.com/keycloak/keycloak/pull/8067).

Affected Packages

Maven org.keycloak:keycloak-core

Affected versions: 0 (fixed in 14.0.0)

Related CVEs

CVE-2020-35509

Key Information

GHSA ID

GHSA-rpj2-w6fr-79hc

Published

August 24, 2022 12:00 AM

Last Modified

December 5, 2022 11:03 PM

CVSS Score

5.0 /10

Primary Ecosystem

Maven

Primary Package

org.keycloak:keycloak-core

GitHub Reviewed

✓ Yes

Dataset

Last updated: June 15, 2025 6:24 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.