What is CVE-2020-10686?

CVE-2020-10686 is a medium-severity vulnerability in Keycloak, classified under Improper Authorization. CVSS score: 4.1/10. Published 2020-05-04.

How severe is CVE-2020-10686?

Medium severity. CVSS v3 base score is 4.1 out of 10.

Auth bypass in Keycloak

CVE-2020-10686

A flaw was found in Keycloak version 8.0.2 and 9.0.0, and was fixed in Keycloak version 9.0.1, where a malicious user registers as oneself. The attacker could then use the remove devices form to post different credential IDs and possibly remove MFA devices for other users.

EPSS: 0.007 (47.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L.

Affected products

Keycloak — versions 8.0.2, 9.0.0
Redhat Keycloak — versions 8.0.2, 9.0.0

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

secalert@redhat.com (x_refsource_CONFIRM, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2020-10686?: CVE-2020-10686 is a medium-severity vulnerability in Keycloak, classified under Improper Authorization. CVSS score: 4.1/10. Published 2020-05-04.
How severe is CVE-2020-10686?: Medium severity. CVSS v3 base score is 4.1 out of 10.