CVE-2022-37042
Zimbra Collaboration Suite (ZCS) 8.8.15 and 9.0 has mboximport functionality that receives a ZIP archive and extracts files from it. By bypassing authentication (i.e., not having an authtoken), an attacker can upload arbitrary files to the system, leading to directory traversal and remote code execution. NOTE: this issue exists because of an incomplete fix for CVE-2022-27925.
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: 92%
- Percentil entre todas las CVEs puntuadas: 100
- 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).
CISA KEV — explotada activamente
- Añadida al catálogo: 11/8/2022
- Plazo de remediación: 1/9/2022
- Uso conocido en ransomware: Known
💥 Exploits públicos
Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.
- Módulo de Metasploit (exploit fiable y al alcance de cualquiera) · Zip Path Traversal in Zimbra (mboximport) (CVE-2022-27925)
- Plantilla de Nuclei (detección automática y masiva) · Zimbra Collaboration Suite 8.8.15/9.0 - Remote Code Execution
- Prueba de concepto en GitHub (no verificada) · Lista de pruebas de concepto en GitHub
⚠️ Las pruebas de concepto de GitHub no están verificadas: algunas son falsas o contienen malware. No las ejecute nunca fuera de un laboratorio aislado.
🎯 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 %
Vulnerabilidad crítica (CVSS 9.8) en endpoint web mboximport sin autenticación (AV:N/PR:N/UI:N) permitiendo ejecución remota de código mediante directory traversal tras upload de ZIP malicioso. Explotación remota directa sin privilegios.
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-22
- CWE-22
Referencias
- http://packetstormsecurity.com/files/168146/Zimbra-Zip-Path-Traversal.html
- https://wiki.zimbra.com/wiki/Security_Center
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
- http://packetstormsecurity.com/files/168146/Zimbra-Zip-Path-Traversal.html
- https://wiki.zimbra.com/wiki/Security_Center
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-37042
JSON original (NVD)
Mostrar
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"criteria": "cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p4:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2AF337B5-B296-449B-8848-7636EC7C46C5"
},
{
"criteria": "cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p5:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "52232ACA-C158-48C8-A0DB-7689040CB8FB"
},
{
"criteria": "cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p6:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3B4D0040-86D0-46C3-8A9A-3DD12138B9ED"
},
{
"criteria": "cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p7:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D2BB9BC7-078D-4E08-88E4-9432D74CA9BA"
},
{
"criteria": "cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p8:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F04D4B77-D386-4BC8-8169-9846693F6F11"
},
{
"criteria": "cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p9:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "992370FA-F171-4FB3-9C1C-58AC37038CE4"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cve@mitre.org",
"cisaRequiredAction": "Apply updates per vendor instructions.",
"cisaVulnerabilityName": "Synacor Zimbra Collaboration Suite (ZCS) Authentication Bypass Vulnerability"
}