// For flags

CVE-2011-3486

Beckhoff TwinCAT 2.11.0.2004 - Denial of Service

Severity Score

5.0
*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

2
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Beckhoff TwinCAT 2.11.0.2004 y versiones anteriores permite a atacantes remotos provocar una denegación de servicio a través de una petición modificada al puerto UDP 48899, lo que provoca una lectura fuera de límites.

Beckhoff TwinCAT versions 2.11.0.2004 and below can be brought down by sending a crafted UDP packet to port 48899 (TCATSysSrv.exe).

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2011-09-14 First Exploit
  • 2011-09-16 CVE Reserved
  • 2011-09-16 CVE Published
  • 2024-08-06 CVE Updated
  • 2024-08-14 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Beckhoff
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Twincat
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<= 2.11.0.2004
Search vendor "Beckhoff" for product "Twincat" and version " <= 2.11.0.2004"
-
Affected
Beckhoff
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Twincat
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2.7
Search vendor "Beckhoff" for product "Twincat" and version "2.7"
-
Affected
Beckhoff
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Twincat
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2.8
Search vendor "Beckhoff" for product "Twincat" and version "2.8"
-
Affected
Beckhoff
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Twincat
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2.9
Search vendor "Beckhoff" for product "Twincat" and version "2.9"
-
Affected
Beckhoff
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Twincat
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2.10
Search vendor "Beckhoff" for product "Twincat" and version "2.10"
-
Affected