CVE-2021-31851
Estado: ModificadaMedia (6.1)—
A Reflected Cross-Site Scripting vulnerability in McAfee Policy Auditor prior to 6.5.2 allows a remote unauthenticated attacker to inject arbitrary web script or HTML via the profileNodeID request parameters. The malicious script is reflected unmodified into the Policy Auditor web-based interface which could lead to the extraction of end user session token or login credentials. These may be used to access additional security-critical applications or conduct arbitrary cross-domain requests.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Puntuación base: 6.1
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.82%
- Percentil entre todas las CVEs puntuadas: 56
- 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-79
- CWE-79
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-31851",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 4.3,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
"availabilityImpact": "NONE",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "trellixpsirt@trellix.com",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 6.1,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 2.7,
"exploitabilityScore": 2.8
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 6.1,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 2.7,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "trellixpsirt@trellix.com",
"affectedData": [
{
"vendor": "McAfee,LLC",
"product": "McAfee Policy Auditor",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "6.5.2",
"versionType": "custom"
}
]
}
]
}
],
"published": "2021-11-23T20:15:10.657",
"references": [
{
"url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10372",
"source": "trellixpsirt@trellix.com"
},
{
"url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10372",
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "trellixpsirt@trellix.com",
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A Reflected Cross-Site Scripting vulnerability in McAfee Policy Auditor prior to 6.5.2 allows a remote unauthenticated attacker to inject arbitrary web script or HTML via the profileNodeID request parameters. The malicious script is reflected unmodified into the Policy Auditor web-based interface which could lead to the extraction of end user session token or login credentials. These may be used to access additional security-critical applications or conduct arbitrary cross-domain requests."
},
{
"lang": "es",
"value": "Una vulnerabilidad de tipo Cross-Site Scripting Reflejado en McAfee Policy Auditor versiones anteriores a 6.5.2, permite a un atacante remoto no autenticado inyectar secuencias de comandos web o HTML arbitrarias por medio de los parámetros de petición profileNodeID. El script malicioso es reflejado sin modificaciones en la interfaz basada en la web de Policy Auditor, que podría conllevar a una extracción de tokens de sesión o credenciales de inicio de sesión del usuario final. Estas pueden ser usadas para acceder a otras aplicaciones críticas para la seguridad o realizar peticiones arbitrarias entre dominios"
}
],
"lastModified": "2026-06-17T03:52:20.877",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mcafee:policy_auditor:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "15B786EE-2921-4D70-9030-CFE84A355A9A",
"versionEndExcluding": "6.5.2"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "trellixpsirt@trellix.com"
}