CVE-2026-5387
Full vulnerability record from the local CVENow database.
Description
The vulnerability, if exploited, could allow an unauthenticated miscreant to perform operations intended only for Simulator Instructor or Simulator Developer (Administrator) roles, resulting in privilege escalation with potential for modification of simulation parameters, training configuration, and training records.
Severity
CRITICAL
CVSS score
9.3
(v4.0)
Vulnerability status
Awaiting Analysis
Source identifier
Published
2026-04-15 16:16:39.007000
Last modified
2026-10-26 21:10:00.170000
View original CVE JSON
{
"id": "CVE-2026-5387",
"sourceIdentifier": "[email protected]",
"published": "2026-04-15T16:16:39.007",
"lastModified": "2026-10-26T21:10:00.170",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The vulnerability, if exploited, could allow an unauthenticated miscreant to perform operations intended only for Simulator Instructor or Simulator Developer (Administrator) roles, resulting in privilege escalation with potential for modification of simulation parameters, training configuration, and training records."
},
{
"lang": "es",
"value": "La vulnerabilidad, si se explota, podría permitir a un malhechor no autenticado realizar operaciones destinadas únicamente a los roles de Instructor de Simulador o Desarrollador de Simulador (Administrador), lo que resultaría en una escalada de privilegios con potencial para la modificación de parámetros de simulación, configuración de entrenamiento y registros de entrenamiento."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "AVEVA",
"product": "Pipeline Simulation 2025",
"defaultStatus": "unaffected",
"versions": [
{
"version": "0",
"lessThanOrEqual": "2025 SP1 (build 7.1.9497.6351)",
"versionType": "custom",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV40": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/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",
"baseScore": 9.3,
"baseSeverity": "CRITICAL",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "NOT_DEFINED",
"confidentialityRequirement": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"availabilityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED"
}
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-04-15T17:38:40.210058Z",
"id": "CVE-2026-5387",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-862"
}
]
}
],
"references": [
{
"url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-106-04.json",
"source": "[email protected]"
},
{
"url": "https://softwaresupportsp.aveva.com/en-US/downloads/products/details/57b79fdb-7b5f-4125-8a44-833b6b5c6d6f",
"source": "[email protected]"
},
{
"url": "https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2026-004.pdf",
"source": "[email protected]"
},
{
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-106-04",
"source": "[email protected]"
}
]
}