title: DoS in APROLs Tbase server
description: B&R APROL versions < R 4.2-07 doesn’t process correctly specially
formatted data packages sent to port 55502/tcp, which may allow a network based
attacker to cause an application Denial-of-Service.
problem types: CWE-252: Unchecked Return Value
affected:
{
defaultStatus: unaffected
product: B&R APROL
vendor: B&R Industrial Automation
versions:
status: affected, version: < R 4.2-07
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 7.5
baseSeverity: HIGH
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL