CVE-2015-4331
Estado: ModificadaBaja (3.5)—
Cisco Prime Infrastructure (PI) 1.4(0.45) and earlier, when AAA authentication is used, allows remote authenticated users to bypass intended access restrictions via a username with a modified composition of lowercase and uppercase characters, aka Bug ID CSum59958.
CVSS
- Versión: 2.0
- Vector: AV:N/AC:M/Au:S/C:P/I:N/A:N
- Puntuación base: 3.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.78%
- Percentil entre todas las CVEs puntuadas: 78
- 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-264
Referencias
JSON original (NVD)
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{
"id": "CVE-2015-4331",
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"type": "Primary",
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"vectorString": "AV:N/AC:M/Au:S/C:P/I:N/A:N",
"authentication": "SINGLE",
"integrityImpact": "NONE",
"accessComplexity": "MEDIUM",
"availabilityImpact": "NONE",
"confidentialityImpact": "PARTIAL"
},
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"impactScore": 2.9,
"baseSeverity": "LOW",
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"exploitabilityScore": 6.8,
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"affected": [
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"affectedData": [
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],
"published": "2015-08-22T17:59:00.113",
"references": [
{
"url": "http://tools.cisco.com/security/center/viewAlert.x?alertId=40553",
"tags": [
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],
"source": "psirt@cisco.com"
},
{
"url": "http://www.securitytracker.com/id/1033356",
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{
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"tags": [
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"weaknesses": [
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"source": "nvd@nist.gov",
"description": [
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"value": "CWE-264"
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],
"descriptions": [
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"lang": "en",
"value": "Cisco Prime Infrastructure (PI) 1.4(0.45) and earlier, when AAA authentication is used, allows remote authenticated users to bypass intended access restrictions via a username with a modified composition of lowercase and uppercase characters, aka Bug ID CSum59958."
},
{
"lang": "es",
"value": "Vulnerabilidad en Cisco Prime Infrastructure (PI) en la versión 1.4 (0.45) y anteriores, cuando se utiliza la autenticación AAA, permite a usuarios remotos autenticados evadir las restricciones de acceso destinados a un nombre de usuario a traves de una composición modificada de caracteres en minúsculas y mayúsculas, también conocido como Bug ID CSum59958."
}
],
"lastModified": "2026-06-17T00:27:06.843",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
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"criteria": "cpe:2.3:a:cisco:prime_infrastructure:*:*:*:*:*:*:*:*",
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"matchCriteriaId": "4B0095E9-3313-45A3-8373-18577ED3F7AF",
"versionEndIncluding": "1.4.0.45"
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"operator": "OR"
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],
"sourceIdentifier": "psirt@cisco.com"
}