CVE-2021-3960
Estado: ModificadaAlta (7.8)—
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in the UpdateServer component of Bitdefender GravityZone allows an attacker to execute arbitrary code on vulnerable instances. This issue affects Bitdefender GravityZone versions prior to 3.3.8.272
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: 0.31%
- Percentil entre todas las CVEs puntuadas: 22
- 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-22
- CWE-22
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-3960",
"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": "cve-requests@bitdefender.com",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 7.1,
"attackVector": "LOCAL",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 4,
"exploitabilityScore": 2.5
},
{
"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": "cve-requests@bitdefender.com",
"affectedData": [
{
"vendor": "Bitdefender",
"product": "GravityZone",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "3.3.8.272",
"versionType": "custom"
}
]
}
]
}
],
"published": "2021-12-16T15:15:07.900",
"references": [
{
"url": "https://www.bitdefender.com/support/security-advisories/privilege-escalation-via-the-gravityzone-productmanager-updateserver-kitsmanager-api-va-10146",
"tags": [
"Vendor Advisory"
],
"source": "cve-requests@bitdefender.com"
},
{
"url": "https://www.bitdefender.com/support/security-advisories/privilege-escalation-via-the-gravityzone-productmanager-updateserver-kitsmanager-api-va-10146",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "cve-requests@bitdefender.com",
"description": [
{
"lang": "en",
"value": "CWE-22"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-22"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in the UpdateServer component of Bitdefender GravityZone allows an attacker to execute arbitrary code on vulnerable instances. This issue affects Bitdefender GravityZone versions prior to 3.3.8.272"
},
{
"lang": "es",
"value": "Una vulnerabilidad de Limitación Inapropiada de un Nombre de Ruta a un Directorio Restringido (\"Salto de Ruta\") en el componente UpdateServer de Bitdefender GravityZone permite a un atacante ejecutar código arbitrario en instancias vulnerables. Este problema afecta a Bitdefender GravityZone versiones anteriores a 3.3.8.272"
}
],
"lastModified": "2026-06-17T04:06:17.547",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:bitdefender:gravityzone:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A8C572D3-F406-4C02-A7E3-412E9653B086",
"versionEndExcluding": "3.3.8.272"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cve-requests@bitdefender.com"
}