CVE-2023-0105

MEDIUM

Keycloak - Improper Authentication via Email Trust Mismanagement

Title source: llm

Description

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.

References (1)

Core 1

Core References

Vendor Advisory

https://access.redhat.com/security/cve/CVE-2023-0105

Scores

CVSS v3 6.5

EPSS 0.0020

EPSS Percentile 42.1%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-287

Status published

Products (2)

org.keycloak/keycloak-core 0 - 22.0.1Maven

redhat/keycloak

Published Jan 13, 2023

Tracked Since Feb 18, 2026