CVE-2023-0264

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.

CVSS v3.1

5.0 MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS v3.1

8.7 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

EPSS

1.27% chance of exploitation in the next 30 days, 68th percentile

Published

2023-08-04

Updated

2024-08-02

Proof-of-concept exploits (1)

• twwd/CVE-2023-02647★ · 2023-03-06

References

• CVE Record
• NVD entry

Related

• CVE-2023-0263
• CVE-2023-0266
• CVE-2023-0262
• CVE-2023-0267
• CVE-2023-0261
• CVE-2023-0268