Vulnerability Monitor

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CVE-2011-3486


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.


Published

2011-09-16T14:28:11.950

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-119

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application beckhoff twincat ≤ 2.11.0.2004 Yes
Application beckhoff twincat 2.7 Yes
Application beckhoff twincat 2.8 Yes
Application beckhoff twincat 2.9 Yes
Application beckhoff twincat 2.10 Yes

References