CVE-2021-1497
Multiple vulnerabilities in the web-based management interface of Cisco HyperFlex HX could allow an unauthenticated, remote attacker to perform command injection attacks against an affected device. 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:H/I:H/A:H
- Puntuación base: 9.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 100%
- Percentil entre todas las CVEs puntuadas: 100
- Fecha de la puntuación: 29/9/2026
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).
CISA KEV — explotada activamente
- Añadida al catálogo: 3/11/2021
- Plazo de remediación: 17/11/2021
- Uso conocido en ransomware: Unknown
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1190Exploit Public-Facing Applicationinitial access95 % - Impacto principal
T1059Command and Scripting Interpreterexecution95 % - Impacto secundario
T1565Data Manipulationimpact75 %
Vulnerabilidad de inyección de comandos (CWE-78) en interfaz web sin autenticación (AV:N/PR:N) permite ejecución remota. Impacto crítico (C:H/I:H/A:H) indica ejecución y manipulación de datos.
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (1)
CWE
- CWE-78
- CWE-78
Referencias
- http://packetstormsecurity.com/files/162976/Cisco-HyperFlex-HX-Data-Platform-Command-Execution.html
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hyperflex-rce-TjjNrkpR
- http://packetstormsecurity.com/files/162976/Cisco-HyperFlex-HX-Data-Platform-Command-Execution.html
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hyperflex-rce-TjjNrkpR
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1497
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-1497",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2021-1497",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "active"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2024-11-08T15:56:28.545449Z"
}
}
],
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 10,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
"authentication": "NONE",
"integrityImpact": "COMPLETE",
"accessComplexity": "LOW",
"availabilityImpact": "COMPLETE",
"confidentialityImpact": "COMPLETE"
},
"acInsufInfo": false,
"impactScore": 10,
"baseSeverity": "HIGH",
"obtainAllPrivilege": false,
"exploitabilityScore": 10,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "psirt@cisco.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 9.8,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 3.9
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 9.8,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "psirt@cisco.com",
"affectedData": [
{
"vendor": "Cisco",
"product": "Cisco HyperFlex HX Data Platform",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2021-05-06T13:15:10.500",
"references": [
{
"url": "http://packetstormsecurity.com/files/162976/Cisco-HyperFlex-HX-Data-Platform-Command-Execution.html",
"tags": [
"Exploit",
"Third Party Advisory",
"VDB Entry"
],
"source": "psirt@cisco.com"
},
{
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hyperflex-rce-TjjNrkpR",
"tags": [
"Vendor Advisory"
],
"source": "psirt@cisco.com"
},
{
"url": "http://packetstormsecurity.com/files/162976/Cisco-HyperFlex-HX-Data-Platform-Command-Execution.html",
"tags": [
"Exploit",
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hyperflex-rce-TjjNrkpR",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1497",
"tags": [
"US Government Resource"
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Secondary",
"source": "psirt@cisco.com",
"description": [
{
"lang": "en",
"value": "CWE-78"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-78"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Multiple vulnerabilities in the web-based management interface of Cisco HyperFlex HX could allow an unauthenticated, remote attacker to perform command injection attacks against an affected device. For more information about these vulnerabilities, see the Details section of this advisory."
},
{
"lang": "es",
"value": "Múltiples vulnerabilidades en la interfaz de administración basada en web de Cisco HyperFlex HX, podrían permitir a un atacante remoto no autenticado llevar a cabo ataques de inyección de comandos contra un dispositivo afectado. Para obtener más información sobre estas vulnerabilidades, consulte la sección Detalles de este aviso"
}
],
"lastModified": "2026-06-17T03:31:54.773",
"cisaActionDue": "2021-11-17",
"cisaExploitAdd": "2021-11-03",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:cisco:hyperflex_hx_data_platform:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "17BC381C-F6CD-4B90-B4AE-8544966ECCE6",
"versionEndExcluding": "4.0\\(2e\\)"
},
{
"criteria": "cpe:2.3:o:cisco:hyperflex_hx_data_platform:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D125A3BA-3182-4E44-92CB-E46CA2D5292D",
"versionEndExcluding": "4.5\\(2a\\)",
"versionStartIncluding": "4.5"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:cisco:hyperflex_hx220c_af_m5:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "0D5AFDE1-3A3B-4AF8-A425-492558B0B2EA"
},
{
"criteria": "cpe:2.3:h:cisco:hyperflex_hx220c_all_nvme_m5:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "43CAFBEF-82AC-425C-B659-7856C2ADC7DF"
},
{
"criteria": "cpe:2.3:h:cisco:hyperflex_hx220c_edge_m5:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "9B38E0BA-D320-406B-8739-6218B96DFD24"
},
{
"criteria": "cpe:2.3:h:cisco:hyperflex_hx220c_m5:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "6E19D6AF-E190-463D-B359-BB02362490D1"
},
{
"criteria": "cpe:2.3:h:cisco:hyperflex_hx240c:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "F4440219-AA2A-4AA3-B780-2F2DB62D0100"
},
{
"criteria": "cpe:2.3:h:cisco:hyperflex_hx240c_af_m5:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "EFF775A8-5A2C-42B7-B26C-85921D803A25"
},
{
"criteria": "cpe:2.3:h:cisco:hyperflex_hx240c_m5:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "5009EC3A-40C9-44B0-8E5E-599657F819FA"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "psirt@cisco.com",
"cisaRequiredAction": "Apply updates per vendor instructions.",
"cisaVulnerabilityName": "Cisco HyperFlex HX Installer Virtual Machine Command Injection Vulnerability"
}