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Medium severity4.9NVD Advisory· Published Dec 15, 2020· Updated Jun 17, 2026

CVE-2020-14302

CVE-2020-14302

Description

A flaw was found in Keycloak before 13.0.0 where an external identity provider, after successful authentication, redirects to a Keycloak endpoint that accepts multiple invocations with the use of the same "state" parameter. This flaw allows a malicious user to perform replay attacks.

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Affected products

3
  • Red Hat/Keycloak
    cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*
    Range: <13.0.0
  • Keycloak/Keycloakllm-fuzzy2 versions
    <13.0.0+ 1 more
    • (no CPE)range: <13.0.0
    • (no CPE)range: keycloak 13.0.0

Patches

Vulnerability mechanics

References

1

News mentions

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