CVE-2019-3972
Estado: ModificadaMedia (5.5)—
Comodo Antivirus versions 12.0.0.6810 and below are vulnerable to Denial of Service affecting CmdAgent.exe via an unprotected section object "<GUID>_CisSharedMemBuff". This section object is exposed by CmdAgent and contains a SharedMemoryDictionary object, which allows a low privileged process to modify the object data causing CmdAgent.exe to crash.
CVSS
- Versión: 3.0
- Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 5.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.39%
- Percentil entre todas las CVEs puntuadas: 31
- 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-125
Referencias
JSON original (NVD)
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{
"id": "CVE-2019-3972",
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"metrics": {
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"source": "nvd@nist.gov",
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"accessVector": "LOCAL",
"vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "NONE"
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"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
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]
},
"affected": [
{
"source": "vulnreport@tenable.com",
"affectedData": [
{
"vendor": "n/a",
"product": "Comodo Antivirus",
"versions": [
{
"status": "affected",
"version": "Versions 12.0.0.6810 and below"
}
]
}
]
}
],
"published": "2019-07-17T21:15:12.717",
"references": [
{
"url": "https://www.tenable.com/security/research/tra-2019-34",
"tags": [
"Exploit",
"Third Party Advisory"
],
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},
{
"url": "https://www.tenable.com/security/research/tra-2019-34",
"tags": [
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],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
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"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-125"
}
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}
],
"descriptions": [
{
"lang": "en",
"value": "Comodo Antivirus versions 12.0.0.6810 and below are vulnerable to Denial of Service affecting CmdAgent.exe via an unprotected section object \"<GUID>_CisSharedMemBuff\". This section object is exposed by CmdAgent and contains a SharedMemoryDictionary object, which allows a low privileged process to modify the object data causing CmdAgent.exe to crash."
},
{
"lang": "es",
"value": "Comodo Antivirus versiones 12.0.0.6810 y anteriores, son vulnerables a una Denegación de Servicio que afecta al archivo CmdAgent.exe por medio de un objeto de sección desprotegida de \"(GUID)_CisSharedMemBuff\". Este objeto de sección está expuesto mediante CmdAgent y contiene un objeto SharedMemoryDictionary, que permite que un proceso poco privilegiado modifique los datos del objeto que causan que el archivo CmdAgent.exe se bloquee."
}
],
"lastModified": "2026-06-17T02:35:58.627",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:comodo:antivirus:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "EA5A70E5-7206-41FE-8EA1-4BD6E935E882",
"versionEndIncluding": "12.0.0.6810"
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"operator": "OR"
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],
"sourceIdentifier": "vulnreport@tenable.com"
}