CVE-2021-37852
Estado: ModificadaAlta (7.8)—
ESET products for Windows allows untrusted process to impersonate the client of a pipe, which can be leveraged by attacker to escalate privileges in the context of NT AUTHORITY\SYSTEM.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 7.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.60%
- Percentil entre todas las CVEs puntuadas: 47
- Fecha de la puntuación: 5/10/2026
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 (9)
CWE
- CWE-269
Referencias
- https://support.eset.com/en/ca8223-local-privilege-escalation-vulnerability-fixed-in-eset-products-for-windows
- https://www.zerodayinitiative.com/advisories/ZDI-22-148/
- https://support.eset.com/en/ca8223-local-privilege-escalation-vulnerability-fixed-in-eset-products-for-windows
- https://www.zerodayinitiative.com/advisories/ZDI-22-148/
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-37852",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 7.2,
"accessVector": "LOCAL",
"vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
"authentication": "NONE",
"integrityImpact": "COMPLETE",
"accessComplexity": "LOW",
"availabilityImpact": "COMPLETE",
"confidentialityImpact": "COMPLETE"
},
"acInsufInfo": false,
"impactScore": 10,
"baseSeverity": "HIGH",
"obtainAllPrivilege": false,
"exploitabilityScore": 3.9,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "security@eset.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.8,
"attackVector": "LOCAL",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 1.8
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.8,
"attackVector": "LOCAL",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 1.8
}
]
},
"affected": [
{
"source": "security@eset.com",
"affectedData": [
{
"vendor": "ESET",
"product": "ESET NOD32 Antivirus",
"versions": [
{
"status": "affected",
"version": "10.0.337.1",
"versionType": "custom",
"lessThanOrEqual": "15.0.18.0"
}
]
},
{
"vendor": "ESET",
"product": "ESET Internet Security",
"versions": [
{
"status": "affected",
"version": "10.0.337.1",
"versionType": "custom",
"lessThanOrEqual": "15.0.18.0"
}
]
},
{
"vendor": "ESET",
"product": "ESET Smart Security",
"versions": [
{
"status": "affected",
"version": "10.0.337.1",
"versionType": "custom",
"lessThanOrEqual": "15.0.18.0"
}
]
},
{
"vendor": "ESET",
"product": "ESET Endpoint Antivirus for Windows",
"versions": [
{
"status": "affected",
"version": "6.6.2046.0",
"versionType": "custom",
"lessThanOrEqual": "9.0.2032.4"
}
]
},
{
"vendor": "ESET",
"product": "ESET Endpoint Security for Windows",
"versions": [
{
"status": "affected",
"version": "6.6.2046.0",
"versionType": "custom",
"lessThanOrEqual": "9.0.2032.4"
}
]
},
{
"vendor": "ESET",
"product": "ESET Server Security for Microsoft Windows Server",
"versions": [
{
"status": "affected",
"version": "8.0.12003.0",
"versionType": "custom",
"lessThanOrEqual": "8.0.12003.1"
}
]
},
{
"vendor": "ESET",
"product": "ESET File Security for Microsoft Windows Server",
"versions": [
{
"status": "affected",
"version": "7.0.12014.0",
"versionType": "custom",
"lessThanOrEqual": "7.3.12006.0"
}
]
},
{
"vendor": "ESET",
"product": "ESET Server Security for Microsoft Azure",
"versions": [
{
"status": "affected",
"version": "7.0.12016.1002",
"versionType": "custom",
"lessThanOrEqual": "7.2.12004.1000"
}
]
},
{
"vendor": "ESET",
"product": "ESET Security for Microsoft SharePoint Server",
"versions": [
{
"status": "affected",
"version": "7.0.15008.0",
"versionType": "custom",
"lessThanOrEqual": "8.0.15004.0"
}
]
},
{
"vendor": "ESET",
"product": "ESET Mail Security for IBM Domino",
"versions": [
{
"status": "affected",
"version": "7.0.14008.0",
"versionType": "custom",
"lessThanOrEqual": "8.0.14004.0"
}
]
},
{
"vendor": "ESET",
"product": "ESET Mail Security for Microsoft Exchange Server",
"versions": [
{
"status": "affected",
"version": "7.0.10019",
"versionType": "custom",
"lessThanOrEqual": "8.0.10016.0"
}
]
}
]
}
],
"published": "2022-02-09T06:15:06.990",
"references": [
{
"url": "https://support.eset.com/en/ca8223-local-privilege-escalation-vulnerability-fixed-in-eset-products-for-windows",
"tags": [
"Vendor Advisory"
],
"source": "security@eset.com"
},
{
"url": "https://www.zerodayinitiative.com/advisories/ZDI-22-148/",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "security@eset.com"
},
{
"url": "https://support.eset.com/en/ca8223-local-privilege-escalation-vulnerability-fixed-in-eset-products-for-windows",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.zerodayinitiative.com/advisories/ZDI-22-148/",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-269"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "ESET products for Windows allows untrusted process to impersonate the client of a pipe, which can be leveraged by attacker to escalate privileges in the context of NT AUTHORITY\\SYSTEM."
},
{
"lang": "es",
"value": "Los productos de ESET para Windows permiten a un proceso no confiable hacerse pasar por el cliente de una tubería, lo que puede ser aprovechado por un atacante para escalar privilegios en el contexto de NT AUTHORITY\\SYSTEM"
}
],
"lastModified": "2026-06-17T04:01:12.383",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:eset:endpoint_antivirus:*:*:*:*:*:windows:*:*",
"vulnerable": true,
"matchCriteriaId": "0D494F17-5B37-44D5-B479-BCEC4F9D9921",
"versionEndExcluding": "7.3.2055.0",
"versionStartIncluding": "6.6.2046.0"
},
{
"criteria": "cpe:2.3:a:eset:endpoint_antivirus:*:*:*:*:*:windows:*:*",
"vulnerable": true,
"matchCriteriaId": "638E5789-809F-475C-8B3D-E33C5EA92B1F",
"versionEndExcluding": "8.0.2028.3",
"versionStartIncluding": "8.0"
},
{
"criteria": "cpe:2.3:a:eset:endpoint_antivirus:*:*:*:*:*:windows:*:*",
"vulnerable": true,
"matchCriteriaId": "74F5AF0F-9CE2-4CAD-A313-DCEA350CF8AB",
"versionEndExcluding": "8.1.2031.4",
"versionStartIncluding": "8.1"
},
{
"criteria": "cpe:2.3:a:eset:endpoint_antivirus:*:*:*:*:*:windows:*:*",
"vulnerable": true,
"matchCriteriaId": "4DE8CF7C-1C9C-448A-83AD-6659CA610C3E",
"versionEndExcluding": "9.0.2032.6",
"versionStartIncluding": "9.0"
},
{
"criteria": "cpe:2.3:a:eset:endpoint_security:*:*:*:*:*:windows:*:*",
"vulnerable": true,
"matchCriteriaId": "33CA36F6-CE4D-4E1B-B5EC-D21DF39DFFE5",
"versionEndExcluding": "7.3.2055.0",
"versionStartIncluding": "6.6.2046.0"
},
{
"criteria": "cpe:2.3:a:eset:endpoint_security:*:*:*:*:*:windows:*:*",
"vulnerable": true,
"matchCriteriaId": "0C2C253F-7980-43CE-8E5F-40779DBD8D88",
"versionEndExcluding": "8.0.2028.3",
"versionStartIncluding": "8.0"
},
{
"criteria": "cpe:2.3:a:eset:endpoint_security:*:*:*:*:*:windows:*:*",
"vulnerable": true,
"matchCriteriaId": "AF09B28D-D422-4028-8A31-2F55F131A69F",
"versionEndExcluding": "8.1.2031.4",
"versionStartIncluding": "8.1"
},
{
"criteria": "cpe:2.3:a:eset:endpoint_security:*:*:*:*:*:windows:*:*",
"vulnerable": true,
"matchCriteriaId": "3AAD4B6F-6B42-498E-A076-732874709B7F",
"versionEndExcluding": "9.0.2032.6",
"versionStartIncluding": "9.0"
},
{
"criteria": "cpe:2.3:a:eset:file_security:*:*:*:*:*:windows_server:*:*",
"vulnerable": true,
"matchCriteriaId": "E210C3F1-0F2E-459D-879E-E6B086498064",
"versionEndIncluding": "7.3.12006.0",
"versionStartIncluding": "7.0.12014.0"
},
{
"criteria": "cpe:2.3:a:eset:internet_security:*:*:*:*:*:windows:*:*",
"vulnerable": true,
"matchCriteriaId": "7F7996D3-D9B9-42F2-B72E-76A469982678",
"versionEndExcluding": "15.0.18.0",
"versionStartIncluding": "10.0.337.1"
},
{
"criteria": "cpe:2.3:a:eset:mail_security:*:*:*:*:*:exchange_server:*:*",
"vulnerable": true,
"matchCriteriaId": "5C50B379-3966-4EAD-B7B9-D947F579C16E",
"versionEndExcluding": "7.3.10014.0",
"versionStartIncluding": "7.0.10019"
},
{
"criteria": "cpe:2.3:a:eset:mail_security:*:*:*:*:*:domino:*:*",
"vulnerable": true,
"matchCriteriaId": "64635AFE-0951-45D7-80B9-3D9CD184B14C",
"versionEndExcluding": "7.3.14003.0",
"versionStartIncluding": "7.0.14008.0"
},
{
"criteria": "cpe:2.3:a:eset:mail_security:*:*:*:*:*:domino:*:*",
"vulnerable": true,
"matchCriteriaId": "5D129FDA-4840-4BE6-89CA-CB36A21A9BE9",
"versionEndExcluding": "8.0.14006.0",
"versionStartIncluding": "8.0"
},
{
"criteria": "cpe:2.3:a:eset:mail_security:*:*:*:*:*:exchange_server:*:*",
"vulnerable": true,
"matchCriteriaId": "63812015-CAD8-433A-B3CC-58D397793646",
"versionEndExcluding": "8.0.10018.0",
"versionStartIncluding": "8.0.10012.0"
},
{
"criteria": "cpe:2.3:a:eset:nod32_antivirus:*:*:*:*:*:windows:*:*",
"vulnerable": true,
"matchCriteriaId": "D8E297F9-0DAB-4EE5-A8E6-DFE7B2234AC2",
"versionEndIncluding": "15.0.18.0",
"versionStartIncluding": "10.0.337.1"
},
{
"criteria": "cpe:2.3:a:eset:security:*:*:*:*:*:sharepoint:*:*",
"vulnerable": true,
"matchCriteriaId": "4894CF51-27CF-4EB1-B898-04BBBCD45CCA",
"versionEndIncluding": "8.0.15004.0",
"versionStartIncluding": "7.0.15008.0"
},
{
"criteria": "cpe:2.3:a:eset:server_security:*:*:*:*:azure:*:*:*",
"vulnerable": true,
"matchCriteriaId": "309C9C05-EC2A-4B45-A912-07DA47A6C65C",
"versionEndIncluding": "7.2.12004.1000",
"versionStartIncluding": "7.0.12016.1002"
},
{
"criteria": "cpe:2.3:a:eset:server_security:8.0.12003.0:*:*:*:*:windows_server:*:*",
"vulnerable": true,
"matchCriteriaId": "2A6490D2-AA1D-4063-93FA-54A7C3701904"
},
{
"criteria": "cpe:2.3:a:eset:server_security:8.0.12003.1:*:*:*:*:windows_server:*:*",
"vulnerable": true,
"matchCriteriaId": "242158EE-6A39-4A03-B618-B025645E30EB"
},
{
"criteria": "cpe:2.3:a:eset:smart_security:*:*:*:*:-:windows:*:*",
"vulnerable": true,
"matchCriteriaId": "8FA2888F-C7F3-4F98-B961-9887F821B780",
"versionEndIncluding": "15.0.18.0",
"versionStartIncluding": "10.0.337.1"
},
{
"criteria": "cpe:2.3:a:eset:smart_security:*:*:*:*:premium:windows:*:*",
"vulnerable": true,
"matchCriteriaId": "18E4245E-D7AB-4496-931E-9A96A946241B",
"versionEndIncluding": "15.0.18.0",
"versionStartIncluding": "10.0.337.1"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "security@eset.com"
}