Improper Authorization in Keycloak - CVE-2020-10686
Published: May 5, 2020
Vulnerability identifier: #VU27522
CSH Severity: Low
CVSS v4: 2.1 [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]
CVE-ID: CVE-2020-10686
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Keycloak
How to mitigate CVE-2020-10686
Install updates from vendor's website.
Keycloak - update to 9.0.1