CVE-2020-3340
Multiple vulnerabilities in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker with administrative credentials to conduct a cross-site scripting (XSS) attack against a user of the interface. These vulnerabilities are due to insufficient validation of user-supplied input that is processed by the web-based management interface. An attacker could exploit these vulnerabilities by injecting malicious code into specific pages of the interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or access sensitive, browser-based information. To exploit these vulnerabilities, an attacker would need valid administrative credentials.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
- Puntuación base: 4.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.62%
- Percentil entre todas las CVEs puntuadas: 48
- Fecha de la puntuación: 7/10/2026
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-79
- CWE-79
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2020-3340",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2020-3340",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2024-11-15T16:27:30.329936Z"
}
}
],
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 3.5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
"authentication": "SINGLE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
"availabilityImpact": "NONE",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "LOW",
"obtainAllPrivilege": false,
"exploitabilityScore": 6.8,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
],
"cvssMetricV30": [
{
"type": "Secondary",
"source": "psirt@cisco.com",
"cvssData": {
"scope": "CHANGED",
"version": "3.0",
"baseScore": 4.8,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "HIGH",
"confidentialityImpact": "LOW"
},
"impactScore": 2.7,
"exploitabilityScore": 1.7
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 4.8,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "HIGH",
"confidentialityImpact": "LOW"
},
"impactScore": 2.7,
"exploitabilityScore": 1.7
}
]
},
"affected": [
{
"source": "psirt@cisco.com",
"affectedData": [
{
"vendor": "Cisco",
"product": "Cisco Identity Services Engine Software",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2020-07-02T05:15:11.447",
"references": [
{
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-mlt-ise-strd-xss-nqFhTtx7",
"tags": [
"Vendor Advisory"
],
"source": "psirt@cisco.com"
},
{
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-mlt-ise-strd-xss-nqFhTtx7",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "psirt@cisco.com",
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Multiple vulnerabilities in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker with administrative credentials to conduct a cross-site scripting (XSS) attack against a user of the interface. These vulnerabilities are due to insufficient validation of user-supplied input that is processed by the web-based management interface. An attacker could exploit these vulnerabilities by injecting malicious code into specific pages of the interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or access sensitive, browser-based information. To exploit these vulnerabilities, an attacker would need valid administrative credentials."
},
{
"lang": "es",
"value": "Múltiples vulnerabilidades en la interfaz de administración basada en web de Cisco Identity Services Engine (ISE), podrían permitir a un atacante remoto autenticado con credenciales administrativas conducir un ataque de tipo cross-site scripting (XSS) contra un usuario de la interfaz. Estas vulnerabilidades son debido a una comprobación de entrada insuficiente suministrada por el usuario que es procesada por la interfaz de administración basada en web. Un atacante podría explotar estas vulnerabilidades al inyectar código malicioso en páginas específicas de la interfaz. Una explotación con éxito podría permitir a un atacante ejecutar código script arbitrario en el contexto de la interfaz o acceder a información confidencial basada en el navegador. Para explotar estas vulnerabilidades, un atacante necesitaría credenciales administrativas válidas"
}
],
"lastModified": "2026-06-17T03:18:00.200",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:cisco:identity_services_engine:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "776397EC-F775-4068-A811-D57FC2DDAF8C",
"versionEndExcluding": "2.6.0"
},
{
"criteria": "cpe:2.3:a:cisco:identity_services_engine:2.6.0:-:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8B45856E-6BE4-40A7-AE2F-4F9DC9315875"
},
{
"criteria": "cpe:2.3:a:cisco:identity_services_engine:2.6.0:patch1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1F6D1780-3306-4481-A3CD-8F7732D955CC"
},
{
"criteria": "cpe:2.3:a:cisco:identity_services_engine:2.6.0:patch2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "07BF9702-0607-49A1-A82A-E4ADF1A4135F"
},
{
"criteria": "cpe:2.3:a:cisco:identity_services_engine:2.6.0:patch3:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "11AA4EC0-6F3C-45A9-9AA4-0D81876F44B5"
},
{
"criteria": "cpe:2.3:a:cisco:identity_services_engine:2.6.0:patch5:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1B4B88F0-3229-4B07-9308-C37C794595A0"
},
{
"criteria": "cpe:2.3:a:cisco:identity_services_engine:2.6.0:patch6:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E02F0E61-FBFF-4C6D-9132-E266FF67802B"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "psirt@cisco.com"
}