Security restrictions bypass in Keycloak - CVE-2020-27826
Published: December 21, 2020 / Updated: December 22, 2020
Vulnerability identifier: #VU49112
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-27826
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Keycloak
Affected software:
Keycloak
Keycloak
Detailed vulnerability description
The vulnerability allows a remote user to escalate privileges within the application.
The vulnerability exists within the REST API functionality. Remote users can change their attributes, such as NameID and impersonate administrative users of the application.
How to mitigate CVE-2020-27826
Install updates from vendor's website.