title: Privilege escalation via B&R Automation Studio upgrade service
description: A privilege escalation vulnerability in the upgrade service in B&R Automation Studio versions 4.0.x, 4.1.x, 4.2.x, < 4.3.11SP, < 4.4.9SP, < 4.5.4SP, <. 4.6.3SP, < 4.7.2 and < 4.8.1 allow authenticated users to delete arbitrary files via an exposed interface.
problem types: CWE-264 Permissions, Privileges, and Access Controls
affected:
{
product: Automation Studio
vendor: B&R
versions:
status: affected, version: 4.0.x
status: affected, version: 4.1.x
status: affected, version: 4.2.x
status: affected, version: < 4.3.11SP
status: affected, version: < 4.4.9SP
status: affected, version: < 4.5.4SP
status: affected, version: < 4.6.3SP
status: affected, version: < 4.7.2
status: affected, version: < 4.8.1
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: LOCAL
availabilityImpact: HIGH
baseScore: 7.5
baseSeverity: HIGH
confidentialityImpact: NONE
integrityImpact: HIGH
privilegesRequired: LOW
scope: CHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:H
version: 3.1
]