CVE-2011-3486: beckhoff twincat

Vulnerability summary

CVE-2011-3486 is a medium (CVSS 5.0) vulnerability in beckhoff twincat. EPSS estimates a 49.65% chance of exploitation in the next 30 days, higher than 98.8% of scored vulnerabilities. 3 public exploits are recorded.

Timeline

1. 16-09-2011
   PublishedVulnerability first disclosed.
2. 06-08-2024
   Last modifiedVulnerability information updated.

Description

Beckhoff TwinCAT 2.11.0.2004 and earlier allows remote attackers to cause a denial of service via a crafted request to UDP port 48899, which triggers an out-of-bounds read.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.