CVE-2020-36233
Estado: ModificadaAlta (7.8)—
The Microsoft Windows Installer for Atlassian Bitbucket Server and Data Center before version 6.10.9, 7.x before 7.6.4, and from version 7.7.0 before 7.10.1 allows local attackers to escalate privileges because of weak permissions on the installation directory.
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: 0.27%
- Percentil entre todas las CVEs puntuadas: 17
- 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-276
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2020-36233",
"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": "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@atlassian.com",
"affectedData": [
{
"vendor": "Atlassian",
"product": "Bitbucket Server",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "6.10.9",
"versionType": "custom"
},
{
"status": "affected",
"version": "7.0.0",
"lessThan": "unspecified",
"versionType": "custom"
},
{
"status": "affected",
"version": "unspecified",
"lessThan": "7.6.4",
"versionType": "custom"
},
{
"status": "affected",
"version": "7.7.0",
"lessThan": "unspecified",
"versionType": "custom"
},
{
"status": "affected",
"version": "unspecified",
"lessThan": "7.10.1",
"versionType": "custom"
}
]
},
{
"vendor": "Atlassian",
"product": "Bitbucket Data Center",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "6.10.9",
"versionType": "custom"
},
{
"status": "affected",
"version": "7.0.0",
"lessThan": "unspecified",
"versionType": "custom"
},
{
"status": "affected",
"version": "unspecified",
"lessThan": "7.6.4",
"versionType": "custom"
},
{
"status": "affected",
"version": "7.7.0",
"lessThan": "unspecified",
"versionType": "custom"
},
{
"status": "affected",
"version": "unspecified",
"lessThan": "7.10.1",
"versionType": "custom"
}
]
}
]
}
],
"published": "2021-02-18T20:15:12.587",
"references": [
{
"url": "https://jira.atlassian.com/browse/BSERV-12753",
"tags": [
"Issue Tracking",
"Vendor Advisory"
],
"source": "security@atlassian.com"
},
{
"url": "https://www.kb.cert.org/vuls/id/240785",
"tags": [
"Third Party Advisory",
"US Government Resource"
],
"source": "security@atlassian.com"
},
{
"url": "https://jira.atlassian.com/browse/BSERV-12753",
"tags": [
"Issue Tracking",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.kb.cert.org/vuls/id/240785",
"tags": [
"Third Party Advisory",
"US Government Resource"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-276"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "The Microsoft Windows Installer for Atlassian Bitbucket Server and Data Center before version 6.10.9, 7.x before 7.6.4, and from version 7.7.0 before 7.10.1 allows local attackers to escalate privileges because of weak permissions on the installation directory."
},
{
"lang": "es",
"value": "El Microsoft Windows Installer para Atlassian Bitbucket Server y Data Center versiones anteriores a 6.10.9, versiones 7.x anteriores a 7.6.4 y desde versión 7.7.0 versiones anteriores a 7.10.1, permite a los atacantes locales escalar privilegios debido a permisos débiles en el directorio de instalación"
}
],
"lastModified": "2026-06-17T03:15:10.517",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:atlassian:bitbucket:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8494F78A-D66A-406E-B395-9DB33C290A84",
"versionEndExcluding": "6.10.9"
},
{
"criteria": "cpe:2.3:a:atlassian:bitbucket:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8E4BCCD6-7814-47FE-8294-AFA009FE2031",
"versionEndExcluding": "7.6.4",
"versionStartIncluding": "7.0.0"
},
{
"criteria": "cpe:2.3:a:atlassian:bitbucket:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "742F96A9-980E-463E-AB11-4347389DEC13",
"versionEndExcluding": "7.10.1",
"versionStartIncluding": "7.7.0"
}
],
"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": "security@atlassian.com"
}