What is CVE-2021-22275?

CVE-2021-22275 is a high-severity vulnerability in B&r Automation Runtime Webserver, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.6/10. Published 2022-05-13.

How severe is CVE-2021-22275?

High severity. CVSS v3 base score is 8.6 out of 10.

Buffer overflow in B&r Automation Runtime Webserver

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 class: Buffer Overflow

EPSS: 0.009 (54.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

B&r Automation Runtime Webserver — versions unspecified
Br-automation Automation_runtime

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

cybersecurity@ch.abb.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-22275?: CVE-2021-22275 is a high-severity vulnerability in B&r Automation Runtime Webserver, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.6/10. Published 2022-05-13.
How severe is CVE-2021-22275?: High severity. CVSS v3 base score is 8.6 out of 10.