CVE-2026-33253
SANUPS SOFTWARE provided by SANYO DENKI CO., LTD. registers Windows services with unquoted file paths. A user with the write permission on the root directory of the system drive may execute arbitrary code with SYSTEM privilege.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Puntuación base: 8.4
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.20%
- Percentil entre todas las CVEs puntuadas: 9
- 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).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1068Exploitation for Privilege Escalationprivilege escalation95 % - Impacto principal
T1059Command and Scripting Interpreterexecution90 %
AV:L PR:H sin interacción del usuario, con path no entrecomillado en servicios Windows: escalada de privilegios local. Ejecución de código arbitrario con SYSTEM.
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)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-428
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-33253",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-33253",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2026-03-25T13:28:18.919558Z"
}
}
],
"cvssMetricV30": [
{
"type": "Secondary",
"source": "vultures@jpcert.or.jp",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.0",
"baseScore": 6.7,
"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "HIGH",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 0.8
}
],
"cvssMetricV40": [
{
"type": "Secondary",
"source": "vultures@jpcert.or.jp",
"cvssData": {
"Safety": "NOT_DEFINED",
"version": "4.0",
"Recovery": "NOT_DEFINED",
"baseScore": 8.4,
"Automatable": "NOT_DEFINED",
"attackVector": "LOCAL",
"baseSeverity": "HIGH",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"exploitMaturity": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "HIGH",
"subIntegrityImpact": "NONE",
"vulnIntegrityImpact": "HIGH",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "HIGH",
"availabilityRequirement": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"subConfidentialityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"confidentialityRequirement": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED"
}
}
]
},
"affected": [
{
"source": "vultures@jpcert.or.jp",
"affectedData": [
{
"vendor": "SANYO DENKI CO., LTD.",
"product": "SANUPS SOFTWARE STANDALONE",
"versions": [
{
"status": "affected",
"version": "Ver.1.0.1 to Ver.1.1.4"
}
]
},
{
"vendor": "SANYO DENKI CO., LTD.",
"product": "SANUPS SOFTWARE",
"versions": [
{
"status": "affected",
"version": "Ver.2.0.0 to Ver.2.0.2"
},
{
"status": "affected",
"version": "Ver.1.0.0 to Ver.1.1.4"
}
]
}
]
}
],
"published": "2026-03-25T06:16:28.527",
"references": [
{
"url": "https://jvn.jp/en/jp/JVN90835713/",
"source": "vultures@jpcert.or.jp"
},
{
"url": "https://products.sanyodenki.com/media/document/sanups/H0033413_jp.pdf",
"source": "vultures@jpcert.or.jp"
},
{
"url": "https://products.sanyodenki.com/media/document/sanups/H0033449_en.pdf",
"source": "vultures@jpcert.or.jp"
}
],
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
{
"type": "Secondary",
"source": "vultures@jpcert.or.jp",
"description": [
{
"lang": "en",
"value": "CWE-428"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "SANUPS SOFTWARE provided by SANYO DENKI CO., LTD. registers Windows services with unquoted file paths. A user with the write permission on the root directory of the system drive may execute arbitrary code with SYSTEM privilege."
},
{
"lang": "es",
"value": "SANUPS SOFTWARE proporcionado por SANYO DENKI CO., LTD. registra servicios de Windows con rutas de archivo sin comillas. Un usuario con permiso de escritura en el directorio raíz de la unidad del sistema puede ejecutar código arbitrario con privilegio SYSTEM."
}
],
"lastModified": "2026-06-17T10:37:11.973",
"sourceIdentifier": "vultures@jpcert.or.jp"
}