CVE-2022-43765 HIGH

CVE-2022-43765: DoS in APROLs Tbase server

Vendor B&R Industrial Automation
Product B&R APROL
Weakness CWE-252
Published February 8, 2023
Last update March 25, 2025
View on NVD All CVEs

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 8, 2023 CVE published
March 25, 2025 Record updated