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HIGH · 8.6

CVE-2021-22275

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.

Vulnerability 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.

CVSS Score

8.6

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
Br-AutomationAutomation Runtime< 4.91

Related Weaknesses (CWE)

CWE-120

References

FAQ

What is CVE-2021-22275?

CVE-2021-22275 is a vulnerability with a CVSS score of 8.6 (HIGH). 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.

How severe is CVE-2021-22275?

CVE-2021-22275 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-22275?

Check the references section above for vendor advisories and patch information. Affected products include: Br-Automation Automation Runtime.