CVE-2011-3486 describes a denial-of-service vulnerability in Beckhoff TwinCAT 2.11.0.2004 and earlier versions. An unauthenticated remote attacker can exploit this by sending a specially crafted UDP request to port 48899, triggering an out-of-bounds read. This vulnerability has a CVSS score of 5.0, indicating a medium severity, with a low attack complexity and no authentication required, leading to a partial availability impact. While not observed in active exploitation, public exploit code exists, including a Metasploit module and an ExploitDB entry, suggesting ease of exploitation. Despite the availability of exploit code, there is no recorded community discussion or media coverage for this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.11.0.2004CPE matchmatch criteria | cpe:2.3:a:beckhoff:twincat:*:*:*:*:*:*:*:* | ||
2.7CPE matchmatch criteria | cpe:2.3:a:beckhoff:twincat:2.7:*:*:*:*:*:*:* | ||
2.8CPE matchmatch criteria | cpe:2.3:a:beckhoff:twincat:2.8:*:*:*:*:*:*:* | ||
2.9CPE matchmatch criteria | cpe:2.3:a:beckhoff:twincat:2.9:*:*:*:*:*:*:* | ||
2.10CPE matchmatch criteria | cpe:2.3:a:beckhoff:twincat:2.10:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.