CVE-2021-20334
Estado: ModificadaAlta (7.8)—
A malicious 3rd party with local access to the Windows machine where MongoDB Compass is installed can execute arbitrary software with the privileges of the user who is running MongoDB Compass. This issue affects: MongoDB Inc. MongoDB Compass 1.x version 1.3.0 on Windows and later versions; 1.x versions prior to 1.25.0 on Windows.
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: 0.20%
- Percentil entre todas las CVEs puntuadas: 9
- 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-269
- CWE-269
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-20334",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 4.6,
"accessVector": "LOCAL",
"vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 3.9,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "cna@mongodb.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 4.8,
"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "LOW",
"privilegesRequired": "LOW",
"confidentialityImpact": "LOW"
},
"impactScore": 3.4,
"exploitabilityScore": 1.3
},
{
"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": "cna@mongodb.com",
"affectedData": [
{
"vendor": "MongoDB Inc.",
"product": "MongoDB Compass",
"versions": [
{
"status": "affected",
"changes": [
{
"at": "1.25.0",
"status": "unaffected"
}
],
"version": "1.3.0",
"lessThan": "1.x*",
"versionType": "custom"
}
],
"platforms": [
"Windows"
]
}
]
}
],
"published": "2021-04-06T17:15:12.603",
"references": [
{
"url": "https://jira.mongodb.org/browse/COMPASS-4510",
"tags": [
"Vendor Advisory"
],
"source": "cna@mongodb.com"
},
{
"url": "https://jira.mongodb.org/browse/COMPASS-4510",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "cna@mongodb.com",
"description": [
{
"lang": "en",
"value": "CWE-269"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-269"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A malicious 3rd party with local access to the Windows machine where MongoDB Compass is installed can execute arbitrary software with the privileges of the user who is running MongoDB Compass. This issue affects: MongoDB Inc. MongoDB Compass 1.x version 1.3.0 on Windows and later versions; 1.x versions prior to 1.25.0 on Windows."
},
{
"lang": "es",
"value": "Un tercero malicioso con acceso local a la máquina de Windows donde MongoDB Compass está instalado puede ejecutar software arbitrario con los privilegios del usuario que está ejecutando MongoDB Compass. Este problema afecta a: MongoDB Inc. MongoDB Compass versiones 1.x versión 1.3.0 en Windows y versiones posteriores; versiones 1.x anteriores a 1.25.0 en Windows"
}
],
"lastModified": "2026-06-17T03:33:41.720",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mongodb:compass:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8A9E6B03-9F94-4021-9C28-B209B4B3D33C",
"versionEndExcluding": "1.25.0",
"versionStartIncluding": "1.3.0"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "cna@mongodb.com"
}