CVE-2021-22275: Br-Automation Automation Runtime

High severity, CVSS 8.6. EPSS: 1% chance of exploitation in the next 30 days.

Buffer Overflow vulnerability in B&R Automation Runtime webserver allows an unauthenticated network-based attacker to stop the cyclic program on the device and cause a denial of service.

Affected products

• Br-Automation Automation Runtime: before 4.91 (fixed in 4.91)

Published 2022-05-13. Last modified 2026-06-17.