High severity8.6NVD Advisory· Published May 13, 2022· Updated Jun 17, 2026

CVE-2021-22275

Description

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

B&R Industrial Automation/Automation Runtime2 versions
cpe:2.3:a:br-automation:automation_runtime:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:br-automation:automation_runtime:*:*:*:*:*:*:*:*range: <4.91
- (no CPE)
B&R Industrial Automation/Automation Runtime Webserverv5
Range: unspecified

Patches

Vulnerability mechanics

References

www.br-automation.com/downloads_br_productcatalogue/assets/1625405588264-en-original-1.0.pdfnvdVendor Advisory

News mentions

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