In short
- CVE-2023-0657 is a LOW (CVSS 3.4) vulnerability affecting org.keycloak:keycloak-services.
- Chance of exploitation in the next 30 days (EPSS): 0.30%, higher than 22.8% of all vulnerabilities.
- Fix: update to 24.0.3, 22.0.10 or later.
Description
Keycloak was found to not properly enforce token types when validating signatures locally. An authenticated attacker could use this flaw to exchange a logout token for an access token and possibly gain access to data outside of enforced permissions.
NVD 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.
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