CVE-2023-0657 describes a low-severity flaw in Keycloak where improper token type enforcement during local signature validation allows an authenticated attacker to exchange a logout token for an access token, potentially leading to unauthorized data access. The vulnerability has a CVSS score of 3.4 (LOW) with an adjacent attack vector, high attack complexity, and requires user interaction. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Red Hat | Red Hat Single Sign-On 7 | All Versions ImpactedCNA affecteddefault affected | |
| Red Hat | Red Hat Build Of Keycloak 22 | Range not provided by sourceCNA affecteddefault affected | |
| Https://Github.Com/Keycloak/Keycloak | Keycloak | >= 0, < 22.0.10, >= 23.0.0, < 24.0.3CNA affecteddefault unaffected |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
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The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.