What’s Vulnerable › Vulnerabilities

CVE-2021-20262

• Severity: medium (CVSS 6.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-03-09 · updated 2026-06-17
• Weakness: CWE-306

Description

A flaw was found in Keycloak 12.0.0 where re-authentication does not occur while updating the password. This flaw allows an attacker to take over an account if they can obtain temporary, physical access to a user’s browser. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Affected products

• Keycloak: 12.0.0
• Red Hat Single Sign-On: 7.0

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1933639
• https://bugzilla.redhat.com/show_bug.cgi?id=1933639

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