CVE-2020-11637 describes a memory leak vulnerability in the TFTP service of B&R Automation Runtime versions prior to N4.26, N4.34, F4.45, E4.53, D4.63, and A4.73. This flaw allows an unauthenticated attacker with network access to trigger a denial of service (DoS) condition. Rated 7.5 HIGH on CVSS, the attack is network-based and low complexity, requiring no privileges or user interaction, with the primary impact being system availability. There is currently 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 |
|---|---|---|---|
<= 4.10CPE matchmatch criteria | cpe:2.3:a:br-automation:automation_runtime:*:*:*:*:*:*:*:* | ||
>= 4.20, < n4.26CPE matchmatch criteria | cpe:2.3:a:br-automation:automation_runtime:*:*:*:*:*:*:*:* | ||
>= 4.40, < f4.45CPE matchmatch criteria | cpe:2.3:a:br-automation:automation_runtime:*:*:*:*:*:*:*:* | ||
>= 4.50, < e4.53CPE matchmatch criteria | cpe:2.3:a:br-automation:automation_runtime:*:*:*:*:*:*:*:* | ||
>= 4.60, < d4.63CPE 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:L
No social media mentions found for this CVE.
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.