CVE-2023-0657

LowCVSS 3.4/10Last modified Jun 17, 2026

Description

A flaw was found in Keycloak. This issue occurs due to improperly enforcing token types when validating signatures locally. This could allow an authenticated attacker to exchange a logout token for an access token and possibly gain access to data outside of enforced permissions.

Metrics

CVSS 3.1 3.4/10CVSS:3.1/AV:A/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N

Weakness enumeration

Affected software

VendorProductVersions
——< 22.0.10; >= 23.0.0, < 24.0.3
Red HatRed Hat build of Keycloak 22—
Red HatRed Hat build of Keycloak 22—
Red HatRed Hat build of Keycloak 22—
Red HatRed Hat build of Keycloak 22.0.10—
Red HatRed Hat Single Sign-On 7—

References

Timeline

Published
Nov 17, 2024
Last modified
Jun 17, 2026
NVD status
Deferred

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CVE-2023-0657: Low severity, CVSS 3.4 | Vulnix