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Beckhoff TwinCAT 'TCATSysSrv.exe' Network Packet Denial of Service Vulnerability
Information
Severity
Severity
Medium
Family
Family
Denial of Service
CVSSv2 Base
CVSSv2 Base
5.0
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
12 years ago
Modified
Modified
5 years ago
Summary
This host is installed with Beckhoff TwinCAT and is prone to denial of service vulnerability.
Insight
Insight
The flaw is caused by an error in the 'TCATSysSrv.exe' when performing an invalid read access, which can be exploited by remote attacker by sending malformed packet to port 48899/UDP.
Affected Software
Affected Software
Beckhoff TwinCAT Version 2.11 build 1553, Other versions may also be affected.
Solution
Solution
Vendor has released a patch to fix the issue, please contact the vendor at 'patch@beckhoff.com' for patch information.