CVE-2021-22275 is a buffer overflow vulnerability affecting the B&R Automation Runtime webserver. An unauthenticated attacker can exploit this flaw over the network to stop the cyclic program, leading to a denial of service (DoS) on the device. With a CVSS score of 8.6 (HIGH), this vulnerability is easily exploitable with low attack complexity and no user interaction required, resulting in high availability impact. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.91CPE matchmatch criteria | cpe:2.3:a:br-automation:automation_runtime:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.