Improper Authorization in Keycloak - CVE-2020-10686

 

Improper Authorization in Keycloak - CVE-2020-10686

Published: May 5, 2020


Vulnerability identifier: #VU27522
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-10686
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Keycloak
Affected software:
Keycloak

Detailed vulnerability description

The vulnerability allows a remote user to bypass authorization checks.

The vulnerability exists due to improper authorization checks where a malicious user registers as oneself. A remote administrator can use the remove devices form to post different credential IDs and possibly remove MFA devices for other users.


How to mitigate CVE-2020-10686

Install updates from vendor's website.

Sources