Moderate

CVE-2011-3486 - Buffer Errors vulnerability in Beckhoff Twincat

Publication: 2011-09-16
Summary

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.

Classification
CWE-119: Buffer Errors

Risk level (CVSS 5)

Moderate

5.0

Access Vector

  • Network
  • Adjacent Network
  • Local

Access Complexity

  • Low
  • Medium
  • High

Authentication

  • None
  • Single
  • Multiple

Confident. Impact

  • Complete
  • Partial
  • None

Integrity Impact

  • Complete
  • Partial
  • None

Affected Products

  • Beckhoff Twincat 2.7
  • Beckhoff Twincat 2.8
  • Beckhoff Twincat 2.9
  • Beckhoff Twincat 2.10
  • Beckhoff Twincat 2.11.0.2004