CVE-2023-0105
Estado: ModificadaMedia (6.5)—
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
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
- Puntuación base: 6.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.70%
- Percentil entre todas las CVEs puntuadas: 52
- Fecha de la puntuación: 7/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-287
- CWE-287
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2023-0105",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2023-0105",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2025-04-09T13:47:18.022932Z"
}
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 6.5,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "LOW",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 2.5,
"exploitabilityScore": 3.9
},
{
"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 6.5,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "LOW",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 2.5,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "secalert@redhat.com",
"affectedData": [
{
"vendor": "redhat.com",
"product": "Keycloak",
"versions": [
{
"status": "unknown",
"version": "n/a"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2023-01-13T06:15:11.983",
"references": [
{
"url": "https://access.redhat.com/security/cve/CVE-2023-0105",
"tags": [
"Vendor Advisory"
],
"source": "secalert@redhat.com"
},
{
"url": "https://access.redhat.com/security/cve/CVE-2023-0105",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-287"
}
]
},
{
"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"description": [
{
"lang": "en",
"value": "CWE-287"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "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."
},
{
"lang": "es",
"value": "Se encontró una falla en Keycloak. Esta falla permite la suplantación y el bloqueo debido a que la confianza del correo electrónico no se maneja correctamente en Keycloak. Un atacante puede seguir a otros usuarios con el mismo correo electrónico y bloquearlos o hacerse pasar por ellos."
}
],
"lastModified": "2026-06-17T05:24:47.653",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:redhat:keycloak:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6E0DE4E1-5D8D-40F3-8AC8-C7F736966158"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "9EFEC7CA-8DDA-48A6-A7B6-1F1D14792890"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "secalert@redhat.com"
}