{"cve":"CVE-2023-0105","nvd":{"published":"2023-01-13T06:15:11.983","modified":"2026-06-17T05:24:47.653","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","score":6.5},"cwes":["CWE-287"],"references":["https://access.redhat.com/security/cve/CVE-2023-0105","https://access.redhat.com/security/cve/CVE-2023-0105"],"products":["redhat:keycloak"],"source":"nvd","synced_at":"2026-10-19T21:37:34.931465858+00:00"},"epss":{"cve":"CVE-2023-0105","score":0.00719,"percentile":0.53917,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-c7xw-p58w-h6fj","url":"https://osv.dev/vulnerability/GHSA-c7xw-p58w-h6fj","summary":"Keycloak: Impersonation and lockout possible through incorrect handling of email trust","modified":"2024-02-16T08:22:13.265402Z","packages":[{"ecosystem":"Maven","name":"org.keycloak:keycloak-core","purl":"pkg:maven/org.keycloak/keycloak-core","ranges":["<22.0.1"],"fixed":["22.0.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}