VULNERABILITY INTELLIGENCE

CVE-2023-0264

CVSS score5 MEDIUM
EPSS probability1.27%
CISA KEVNot currently listed
Published2023-08-04
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

Description

A flaw was found in Keycloaks OpenID Connect user authentication, which may incorrectly authenticate requests. An authenticated attacker who could obtain information from a user request within the same realm could use that data to impersonate the victim and generate new session tokens. This issue could impact confidentiality, integrity, and availability.

Weakness classification

  • CWE-287: Improper Authentication

Primary references