CVE-2019-3638
Estado: ModificadaCrítica (9.6)—
Reflected Cross Site Scripting vulnerability in Administrators web console in McAfee Web Gateway (MWG) 7.8.x prior to 7.8.2.13 allows remote attackers to collect sensitive information or execute commands with the MWG administrator's credentials via tricking the administrator to click on a carefully constructed malicious link.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- Puntuación base: 9.6
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.92%
- Percentil entre todas las CVEs puntuadas: 79
- 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
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2019-3638",
"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": "UNCHANGED",
"version": "3.1",
"baseScore": 8.1,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
"integrityImpact": "HIGH",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.2,
"exploitabilityScore": 2.8
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 9.6,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 6,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "trellixpsirt@trellix.com",
"affectedData": [
{
"vendor": "McAfee",
"product": "Web Gateway(MWG)",
"versions": [
{
"status": "affected",
"version": "7.8.x",
"lessThan": "7.8.2.13",
"versionType": "custom"
}
]
}
]
}
],
"published": "2019-09-12T16:15:12.037",
"references": [
{
"url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10294",
"source": "trellixpsirt@trellix.com"
},
{
"url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10294",
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Reflected Cross Site Scripting vulnerability in Administrators web console in McAfee Web Gateway (MWG) 7.8.x prior to 7.8.2.13 allows remote attackers to collect sensitive information or execute commands with the MWG administrator's credentials via tricking the administrator to click on a carefully constructed malicious link."
},
{
"lang": "es",
"value": "Una vulnerabilidad de tipo Cross Site Scripting Reflejado en la consola web Administrators en McAfee Web Gateway (MWG) versiones 7.8.x anteriores a 7.8.2.13, permite a atacantes remotos recolectar información confidencial o ejecutar comandos con las credenciales del administrador de MWG mediante el engaño del administrador para que haga clic sobre un enlace malicioso cuidadosamente construido."
}
],
"lastModified": "2026-06-17T02:35:19.957",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mcafee:web_gateway:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3C824161-E723-44FC-AED9-808787FF5823",
"versionEndExcluding": "7.8.2.13",
"versionStartIncluding": "7.8.2"
},
{
"criteria": "cpe:2.3:a:mcafee:web_gateway:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3BAFC518-9D1C-4D93-8E87-A01F4B9BF71F",
"versionEndExcluding": "8.2.0",
"versionStartIncluding": "8.0.0"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "trellixpsirt@trellix.com"
}