CVE-2020-27838

Description

A flaw was found in keycloak in versions prior to 13.0.0. The client registration endpoint allows fetching information about PUBLIC clients (like client secret) without authentication which could be an issue if the same PUBLIC client changed to CONFIDENTIAL later. The highest threat from this vulnerability is to data confidentiality.

Risk Information

Base Score

6.5

MODERATE

Vector

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

EPSS Score

Exploitation Probability

85.144

Associated Vulnerability

Vulnerability	OS Platform
Vulnerabilities CVE-2020-27838,CVE-2020-10770,CVE-2021-20202,CVE-2021-20195 are fixed in Keycloak-core 13.0.0	Windows
Vulnerabilities CVE-2020-27838,CVE-2020-10770,CVE-2021-20202,CVE-2021-20195 are fixed in Keycloak-core for Linux 13.0.0	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234