CVE-2021-1581
Estado: ModificadaCrítica (9.1)—
Multiple vulnerabilities in the web UI and API endpoints of Cisco Application Policy Infrastructure Controller (APIC) or Cisco Cloud APIC could allow a remote attacker to perform a command injection or file upload attack on an affected system. For more information about these vulnerabilities, see the Details section of this advisory.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- Puntuación base: 9.1
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.14%
- Percentil entre todas las CVEs puntuadas: 65
- Fecha de la puntuación: 5/10/2026
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 (2)
CWE
- CWE-284
- NVD-CWE-Other
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-1581",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2021-1581",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2024-11-07T21:43:21.162441Z"
}
}
],
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 6.4,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:P",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 4.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 10,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "psirt@cisco.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 6.5,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "HIGH",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.2,
"exploitabilityScore": 1.2
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 9.1,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 5.2,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "psirt@cisco.com",
"affectedData": [
{
"vendor": "Cisco",
"product": "Cisco Application Policy Infrastructure Controller (APIC)",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2021-08-25T20:15:10.640",
"references": [
{
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-capic-mdvul-HBsJBuvW",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "psirt@cisco.com"
},
{
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-capic-mdvul-HBsJBuvW",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "psirt@cisco.com",
"description": [
{
"lang": "en",
"value": "CWE-284"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Multiple vulnerabilities in the web UI and API endpoints of Cisco Application Policy Infrastructure Controller (APIC) or Cisco Cloud APIC could allow a remote attacker to perform a command injection or file upload attack on an affected system. For more information about these vulnerabilities, see the Details section of this advisory."
},
{
"lang": "es",
"value": "Múltiples vulnerabilidades en la interfaz de usuario web y los endpoints de la API de Cisco Application Policy Infrastructure Controller (APIC) o Cisco Cloud APIC podrían permitir a un atacante remoto llevar a cabo un ataque de inyección de comandos o de carga de archivos en un sistema afectado. Para obtener más información sobre estas vulnerabilidades, consulte la sección Details de este aviso."
}
],
"lastModified": "2026-06-17T03:32:06.073",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:cisco:application_policy_infrastructure_controller:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3E54A7EC-C94D-450D-913C-DECBCBE3E840",
"versionEndExcluding": "3.2\\(10f\\)"
},
{
"criteria": "cpe:2.3:a:cisco:application_policy_infrastructure_controller:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9C1907FF-8F31-42A7-A1F3-6DADA57301AE",
"versionEndExcluding": "4.2\\(7l\\)",
"versionStartIncluding": "4.0"
},
{
"criteria": "cpe:2.3:a:cisco:application_policy_infrastructure_controller:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D8DCD9A2-70EF-47EB-878C-02C6242300AB",
"versionEndExcluding": "5.2\\(1g\\)",
"versionStartIncluding": "5.0"
},
{
"criteria": "cpe:2.3:a:cisco:cloud_application_policy_infrastructure_controller:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5FD196DC-2522-46EA-BD15-5B6F7528B073",
"versionEndExcluding": "3.2\\(10f\\)"
},
{
"criteria": "cpe:2.3:a:cisco:cloud_application_policy_infrastructure_controller:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1334B099-27F9-4597-8C6E-0FF88F654A03",
"versionEndExcluding": "4.2\\(7l\\)",
"versionStartIncluding": "4.0"
},
{
"criteria": "cpe:2.3:a:cisco:cloud_application_policy_infrastructure_controller:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D99FAEA2-7A3A-4AE2-B78A-934C7EC4E774",
"versionEndExcluding": "5.2\\(1g\\)",
"versionStartIncluding": "5.0"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "psirt@cisco.com"
}