CVE-2015-6303
Estado: ModificadaMedia (4.3)—
The Cisco Spark application 2015-07-04 for mobile operating systems does not properly verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate, aka Bug IDs CSCut36742 and CSCut36844.
CVSS
- Versión: 2.0
- Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N
- Puntuación base: 4.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.54%
- Percentil entre todas las CVEs puntuadas: 43
- 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-200
Referencias
JSON original (NVD)
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{
"id": "CVE-2015-6303",
"cveTags": [],
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"source": "nvd@nist.gov",
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"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "MEDIUM",
"availabilityImpact": "NONE",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"affected": [
{
"source": "psirt@cisco.com",
"affectedData": [
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"vendor": "n/a",
"product": "n/a",
"versions": [
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"version": "n/a"
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]
}
],
"published": "2015-09-24T14:59:00.123",
"references": [
{
"url": "http://tools.cisco.com/security/center/viewAlert.x?alertId=41127",
"tags": [
"Vendor Advisory"
],
"source": "psirt@cisco.com"
},
{
"url": "http://tools.cisco.com/security/center/viewAlert.x?alertId=41127",
"tags": [
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],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
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"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-200"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "The Cisco Spark application 2015-07-04 for mobile operating systems does not properly verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate, aka Bug IDs CSCut36742 and CSCut36844."
},
{
"lang": "es",
"value": "Vulnerabilidad en la aplicación 2015-07-04 de Cisco Spark para sistemas operativos móviles, no verifica correctamente los certificados X.509 de servidores SSL, lo que permite a atacantes man-in-the-middle suplantar los servidores y obtener información sensible a través de un certificado manipulado, también conocida como Bug IDs CSCut36742 y CSCut36844."
}
],
"lastModified": "2026-06-17T00:30:40.207",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
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"criteria": "cpe:2.3:a:cisco:spark:2015-07-04_base:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F0C4934C-6E45-4769-AE3A-CAD197B247B3"
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],
"operator": "OR"
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],
"sourceIdentifier": "psirt@cisco.com"
}