CVE-2012-2531
Estado: ModificadaBaja (2.1)—
Microsoft Internet Information Services (IIS) 7.5 uses weak permissions for the Operational log, which allows local users to discover credentials by reading this file, aka "Password Disclosure Vulnerability."
CVSS
- Versión: 2.0
- Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N
- Puntuación base: 2.1
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.94%
- Percentil entre todas las CVEs puntuadas: 60
- 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)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-200
Referencias
- http://www.securityfocus.com/bid/56439
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-073
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15959
- http://www.securityfocus.com/bid/56439
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-073
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15959
JSON original (NVD)
Mostrar
{
"id": "CVE-2012-2531",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 2.1,
"accessVector": "LOCAL",
"vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "NONE",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "LOW",
"obtainAllPrivilege": false,
"exploitabilityScore": 3.9,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"affected": [
{
"source": "secure@microsoft.com",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2012-11-14T00:55:01.547",
"references": [
{
"url": "http://www.securityfocus.com/bid/56439",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "secure@microsoft.com"
},
{
"url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-073",
"source": "secure@microsoft.com"
},
{
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15959",
"source": "secure@microsoft.com"
},
{
"url": "http://www.securityfocus.com/bid/56439",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-073",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15959",
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-200"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Microsoft Internet Information Services (IIS) 7.5 uses weak permissions for the Operational log, which allows local users to discover credentials by reading this file, aka \"Password Disclosure Vulnerability.\""
},
{
"lang": "es",
"value": "Microsoft Internet Information Server (IIS) Services v7.5 utiliza permisos débiles para el registro de operaciones, lo que permite descubrir las credenciales a los usuarios locales mediante la lectura de este archivo. Se trata de un problema también conocido como \"Vulnerabilidad de divulgación de contraseña\".\r\n"
}
],
"lastModified": "2026-06-16T23:41:39.070",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "E33796DB-4523-4F04-B564-ADF030553D51"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_7:-:sp1:x64:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "F282E5E8-A5C9-4092-B0BF-07A5A2CAA6F4"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_7:-:sp1:x86:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "D16A8D29-57BF-4B74-85F2-24DBD8B52BBF"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2008:*:r2:itanium:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "B2B19826-5516-4899-9599-F95D0A03FBCD"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2008:*:r2:x64:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "4945F25F-2828-4D03-930B-A109BA73E00C"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "secure@microsoft.com"
}