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TI-2021-03553 Aliases CVE-2021-20262GHSA-xf46-8vvp-4hxx

Missing authentication in keycloak

Priority LOW 30CWE-306Published · Updated

Key facts

Attack vector
Physical
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-306.

Summary

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.

Why it matters now

EPSS 0.00329 26th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—keycloakKeycloak 12.0.0—No fix listedCNA
—org.keycloak:keycloak-core (Maven)up to 12.0.4—No fix listedGHSA-xf46-8vvp-4hxx
  • keycloak Vendor— Affected Keycloak 12.0.0 Fixed in — No fix listed CNA
  • org.keycloak:keycloak-core (Maven) Vendor— Affected up to 12.0.4 Fixed in — No fix listed GHSA-xf46-8vvp-4hxx

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:redhat:keycloak:12.0.0:*:*:*:*:*:*:*12.0.0VulnerableRed Hat
cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
  • cpe:2.3:a:redhat:keycloak:12.0.0:*:*:*:*:*:*:* Versions 12.0.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Single Sign-On 7AffectedNo fix yet
Not affected: 6 products
  • Red Hat Decision Manager 7
  • Red Hat Fuse 7
  • Red Hat Integration Camel K 1
  • Red Hat OpenShift Application Runtimes
  • Red Hat Process Automation 7
  • Red Hat support for Spring Boot

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-20262
  2. 2026-10-03 Alias added: GHSA-xf46-8vvp-4hxx

References

Advisory 2

  • TI-2024-01049 Keycloak: path transversal in redirection validation CVSS 3.1HIGH 8.1
  • TI-2023-26623 The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6… CVSS 3.1MEDIUM 5.9
  • TI-2020-08665 Server-side request forgery in keycloak CVSS 3.1MEDIUM 5.3
  • TI-2022-03468 Path traversal in Red Hat Keycloak CVSS 3.1CRITICAL 9.1
  • TI-2021-03612 A POST based reflected Cross Site Scripting vulnerability on has been identified in Keycloak. CVSS 3.1MEDIUM 6.1
  • TI-2022-03994 Cross-site scripting in keycloak CVSS 3.1CRITICAL 10.0
See all 97 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences