Vulnerability · Published May 13, 2022 · Assigned by ABB
CVE-2021-22275Denial of service vulnerability on Automation Runtime webserver
High 8.6
In plain English
A high-severity buffer overflow in Automation Runtime webserver from B&R Automation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities).
Severity (CVSS 3.1)8.6High
Exploit odds (30 days)1.0%top 38.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| B&R Automation | Automation Runtime webserver | unspecified – before 4.91 |
Weakness: CWE-120 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H