CVE-2021-22275: Denial of service vulnerability on Automation Runtime webserver
First published: Fri 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.
Credit: cybersecurity@ch.abb.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| B&R Automation Runtime | <4.91 |
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Reference Links
Frequently Asked Questions
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.
How severe is CVE-2021-22275?
CVE-2021-22275 has a severity rating of 8.6, which is considered high.
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.
Is CVE-2021-22275 exploitable remotely?
Yes, CVE-2021-22275 can be exploited by an unauthenticated network-based attacker.
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.
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