title: Automation Studio and PVI Multiple incorrect permission assignments for services
description: Incorrect Permission Assignment for Critical Resource vulnerability in B&R Industrial Automation Automation Studio allows Privilege Escalation.This issue affects Automation Studio: from 4.6.0 through 4.6.X, from 4.7.0 before 4.7.7 SP, from 4.8.0 before 4.8.6 SP, from 4.9.0 before 4.9.4 SP.
problem types: CWE-732 Incorrect Permission Assignment for Critical Resource
affected:
{
defaultStatus: unaffected
product: Automation Studio
vendor: B&R Industrial Automation
versions:
lessThanOrEqual: 4.6.x, status: affected, version: 4.6.0, versionType: custom
lessThan: 4.7.7 SP, status: affected, version: 4.7.0, versionType: custom
lessThan: 4.8.6 SP, status: affected, version: 4.8.0, versionType: custom
lessThan: 4.9.4 SP, status: affected, version: 4.9.0, versionType: custom
}
{
defaultStatus: unaffected
product: NET/PVI
vendor: B&R Industrial Automation
versions:
lessThanOrEqual: 4.6.x, status: affected, version: 4.6.0, versionType: custom
lessThan: 4.7.7, status: affected, version: 4.7.0, versionType: custom
lessThan: 4.8.6, status: affected, version: 4.8.0, versionType: custom
lessThan: 4.9.4, status: affected, version: 4.9.0, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: LOCAL
availabilityImpact: HIGH
baseScore: 8.2
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: LOW
scope: CHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL
workarounds:
B&R has identified the following specific workarounds and mitigations.
Users of B&R Automation Studio and PVI may manually reconfigure permission settings on these
services to allow modification only for privileged users.
Additionally, it is recommended to limit access to the workstation running B&R Automation Studio and PVI
to authorized users.