CVE-2021-22275: Denial of service vulnerability on Automation Runtime webserver

Published May 13, 2022
·
Updated

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 Software

1 affected component
Br-automation Automation Runtime<4.91

Event History

May 13, 2022
CVE Published
via MITRE·02:23 PM
Data Sourced
via MITRE·02:23 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is CVE-2021-22275 vulnerability?

CVE-2021-22275 is a Buffer Overflow vulnerability in B&R Automation Runtime webserver that allows an unauthenticated network-based attacker to stop the cyclic program on the device and cause a denial of service.

2

How severe is CVE-2021-22275?

CVE-2021-22275 has a severity rating of 8.6, which is considered high.

3

How does CVE-2021-22275 impact the device?

CVE-2021-22275 allows an unauthenticated network-based attacker to stop the cyclic program on the device and cause a denial of service.

4

Is CVE-2021-22275 exploitable remotely?

Yes, CVE-2021-22275 can be exploited by an unauthenticated network-based attacker.

5

Is there a fix available for CVE-2021-22275?

To address CVE-2021-22275, users should apply the patches provided by the vendor as soon as they are available.

Contact

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