title: ABB System 800xA Weak File Permissions - different products
description: Insufficient folder permissions used by system functions in ABB System 800xA products OPCServer for AC800M (versions 6.0 and earlier) and Control Builder M Professional, MMSServer for AC800M, Base Software for SoftControl (version 6.1 and earlier) allow low privileged users to read, modify, add and delete system and application files. An authenticated attacker who successfully exploited the vulnerabilities could escalate his/her privileges, cause system functions to stop and to corrupt user applications.
problem types: CWE-732 Incorrect Permission Assignment for Critical Resource
affected:
{
product: OPC Server for AC 800M
vendor: ABB
versions:
status: affected, version: 6.0 and earlier
}
{
product: Control Builder M Professional
vendor: ABB
versions:
status: affected, version: 6.1 and earlier
}
{
product: MMS Server for AC 800M
vendor: ABB
versions:
status: affected, version: 6.1 and earlier
}
{
product: Base Software for SoftControl
vendor: ABB
versions:
status: affected, version: 6.1 and earlier
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: LOCAL
availabilityImpact: HIGH
baseScore: 5.5
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
version: 3.1
]