What’s Vulnerable › Vulnerabilities

CVE-2020-35509

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-08-23 · updated 2026-06-17
• Weakness: CWE-20

Description

A flaw was found in keycloak affecting versions 11.0.3 and 12.0.0. An expired certificate would be accepted by the direct-grant authenticator because of missing time stamp validations. The highest threat from this vulnerability is to data confidentiality and integrity.

Affected products

• Keycloak: 11.0.3, 12.0.0

References

• https://access.redhat.com/security/cve/cve-2020-35509
• https://access.redhat.com/security/cve/cve-2020-35509

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