CVE-2013-1337
Estado: ModificadaAlta (7.5)—
Microsoft .NET Framework 4.5 does not properly create policy requirements for custom Windows Communication Foundation (WCF) endpoint authentication in certain situations involving passwords over HTTPS, which allows remote attackers to bypass authentication by sending queries to an endpoint, aka "Authentication Bypass Vulnerability."
CVSS
- Versión: 2.0
- Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
- Puntuación base: 7.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 21%
- Percentil entre todas las CVEs puntuadas: 97
- 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-287
Referencias
- http://www.us-cert.gov/ncas/alerts/TA13-134A
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-040
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16741
- http://www.us-cert.gov/ncas/alerts/TA13-134A
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-040
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16741
JSON original (NVD)
Mostrar
{
"id": "CVE-2013-1337",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 7.5,
"accessVector": "NETWORK",
"vectorString": "AV:N/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": "HIGH",
"obtainAllPrivilege": false,
"exploitabilityScore": 10,
"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": "2013-05-15T03:36:34.420",
"references": [
{
"url": "http://www.us-cert.gov/ncas/alerts/TA13-134A",
"tags": [
"Third Party Advisory",
"US Government Resource"
],
"source": "secure@microsoft.com"
},
{
"url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-040",
"source": "secure@microsoft.com"
},
{
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16741",
"source": "secure@microsoft.com"
},
{
"url": "http://www.us-cert.gov/ncas/alerts/TA13-134A",
"tags": [
"Third Party Advisory",
"US Government Resource"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-040",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16741",
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-287"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Microsoft .NET Framework 4.5 does not properly create policy requirements for custom Windows Communication Foundation (WCF) endpoint authentication in certain situations involving passwords over HTTPS, which allows remote attackers to bypass authentication by sending queries to an endpoint, aka \"Authentication Bypass Vulnerability.\""
},
{
"lang": "es",
"value": "Microsoft .NET Framework v4.5 no crea correctamente los requisitos de la política de Windows Communication Foundation (WCF) como punto final de autenticación en ciertas situaciones relacionadas con las contraseñas a través de HTTPS, lo que permite a atacantes remotos evitar la autenticación mediante el envío de peticiones al punto final de autenticación, también conocido como \"Authentication Bypass Vulnerability.\""
}
],
"lastModified": "2026-06-16T23:51:14.530",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:.net_framework:4.5:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "61FAD9EE-FA7F-4B39-8A9B-AFFAEC8BF214"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "secure@microsoft.com"
}