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CVE-2020-10770GHSA-JH7Q-5MWF-QVHW

A flaw was found in Keycloak before 13.0.0, where it is possible to force the server to call out an unverified URL using the OIDC parameter

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 13.0.0
1 on Exploit-DB, 2 proofs of concept on GitHub, 1 Nuclei template

Summary

A flaw was found in Keycloak before 13.0.0, where it is possible to force the server to call out an unverified URL using the OIDC parameter request_uri. This flaw allows an attacker to use this parameter to execute a Server-side request forgery (SSRF) attack.

Timeline

  1. CVE published
  2. Public exploit on Exploit-DB

    EDB-50405

  3. Record last updated
  4. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • n/a keycloak

    keycloak 13.0.0

  • org.keycloak:keycloak-coreMaven

    fixed in 13.0.0

References 6

bugzilla.redhat.com

packetstormsecurity.com

Exploit-DB

GitHub · projectdiscovery/nuclei-templates

GitHub · 0xlyvio/CVE-2020-10770-keycloak-exploit-poc

GitHub · ColdFusionX/Keycloak-12.0.1-CVE-2020-10770