CVE-2021-31848
Estado: ModificadaMedia (6.1)—
Cross site scripting (XSS) vulnerability in McAfee Data Loss Prevention (DLP) ePO extension prior to 11.7.100 allows a remote attacker to highjack an active DLP ePO administrator session by convincing the logged in administrator to click on a carefully crafted link in the case management part of the DLP ePO extension.
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: 0.81%
- Percentil entre todas las CVEs puntuadas: 56
- Fecha de la puntuación: 6/10/2026
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-2021-31848",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 3.5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
"authentication": "SINGLE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
"availabilityImpact": "NONE",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "LOW",
"obtainAllPrivilege": false,
"exploitabilityScore": 6.8,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "trellixpsirt@trellix.com",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 8.4,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "HIGH",
"confidentialityImpact": "HIGH"
},
"impactScore": 6,
"exploitabilityScore": 1.7
},
{
"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",
"product": "Data Loss Prevention (DLP) ePO extension",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "11.7.100",
"versionType": "custom"
},
{
"status": "affected",
"version": "unspecified",
"lessThan": "11.6.400",
"versionType": "custom"
}
]
}
]
}
],
"published": "2021-11-01T20:15:07.517",
"references": [
{
"url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10371",
"tags": [
"Broken Link",
"Vendor Advisory"
],
"source": "trellixpsirt@trellix.com"
},
{
"url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10371",
"tags": [
"Broken Link",
"Vendor Advisory"
],
"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": "Cross site scripting (XSS) vulnerability in McAfee Data Loss Prevention (DLP) ePO extension prior to 11.7.100 allows a remote attacker to highjack an active DLP ePO administrator session by convincing the logged in administrator to click on a carefully crafted link in the case management part of the DLP ePO extension."
},
{
"lang": "es",
"value": "Una vulnerabilidad de tipo cross site scripting (XSS) en la extensión de McAfee Data Loss Prevention (DLP) ePO versiones anteriores a 11.7.100, permite a un atacante remoto secuestrar una sesión activa de administrador de DLP ePO al convencer al administrador que ha iniciado la sesión de que haga clic en un enlace cuidadosamente diseñado en la parte de administración de casos de la extensión de DLP ePO"
}
],
"lastModified": "2026-06-17T03:52:20.540",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mcafee:data_loss_prevention_endpoint:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C621FD41-E7D3-46AB-9539-D9A63FE5AD5D",
"versionEndExcluding": "11.6.400",
"versionStartIncluding": "11.6.0"
},
{
"criteria": "cpe:2.3:a:mcafee:data_loss_prevention_endpoint:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E775D889-AB7A-44DB-82DC-3370309C147F",
"versionEndExcluding": "11.7.100",
"versionStartIncluding": "11.7.0"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "trellixpsirt@trellix.com"
}