What is CVE-2023-0105?

CVE-2023-0105 is a medium-severity vulnerability in Redhat.com Keycloak, classified under Improper Authentication. CVSS score: 6.5/10. Published 2023-01-13.

How severe is CVE-2023-0105?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2023-0105 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Redhat.com Keycloak

CVE-2023-0105

A flaw was found in Keycloak. This flaw allows impersonation and lockout due to the email trust not being handled correctly in Keycloak. An attacker can shadow other users with the same email and lockout or impersonate them.

Vulnerability class: Broken Authentication

EPSS: 0.007 (48.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.

Affected products

Weakness classification (CWE)

CWE-287 — Improper Authentication

Public proof-of-concept exploits

leoambrus/artefactswithoutCVEonGitHubAdvisoryDatabase

References

secalert@redhat.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-0105?: CVE-2023-0105 is a medium-severity vulnerability in Redhat.com Keycloak, classified under Improper Authentication. CVSS score: 6.5/10. Published 2023-01-13.
How severe is CVE-2023-0105?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2023-0105 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.