Priority MEDIUM 54
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.
CVSS 2.0MEDIUM 5.0· Network · No auth · Interaction — · EPSS 0.4965 · Published 2011-09-16 · No fix listed CWE-119
Priority MEDIUM 50
Beckhoff Embedded Windows PLCs through 3.1.4024.0, and Beckhoff Twincat on Windows Engineering stations, allow an attacker to achieve Remote Code Execution (as SYSTEM) via the Beckhoff ADS protocol.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.05302 · Published 2019-12-19 · No fix listed CWE-290
Priority MEDIUM 47
Beckhoff IPC Diagnostics before 1.8 does not properly restrict access to functions in /config, which allows remote attackers to cause a denial of service (reboot or shutdown), create arbitrary users, or possibly have uns…
CVSS 2.0HIGH 9.0· Network · No auth · Interaction — · EPSS 0.0574 · Published 2015-06-08 · No fix listed CWE-284
Priority MEDIUM 47
Beckhoff Embedded PC images before 2014-10-22 and Automation Device Specification (ADS) TwinCAT components do not restrict the number of authentication attempts, which makes it easier for remote attackers to obtain acces…
CVSS 3.1CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.04801 · Published 2016-10-05 · Fixed in October 22, 2014 CWE-307
Priority MEDIUM 46
Beckhoff Embedded PC images before 2014-10-22 and Automation Device Specification (ADS) TwinCAT components might allow remote attackers to obtain access via the (1) Windows CE Remote Configuration Tool, (2) CE Remote Dis…
CVSS 3.1CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.04339 · Published 2016-10-05 · Fixed in October 22, 2014 CWE-749
Priority MEDIUM 45
Incorrect Access Control in Beckhoff Automation GmbH & Co.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01561 · Published 2021-07-23 · No fix listed
Priority MEDIUM 40
Beckhoff TwinCAT supports communication over ADS.
CVSS 3.0CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.00508 · Published 2018-06-27 · No fix listed CWE-285
Priority LOW 36
A Denial-of-Service vulnerability exists in BECKHOFF Ethernet TCP/IP Bus Coupler BK9000.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01383 · Published 2020-03-12 · No fix listed CWE-400
Priority LOW 36
When Beckhoff TwinCAT is configured to use the Profinet driver, a denial of service of the controller could be reached by sending a malformed UDP packet to the device.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01427 · Published 2019-11-21 · No fix listed CWE-369
Priority LOW 36
When a Beckhoff TwinCAT Runtime receives a malformed UDP packet, the ADS Discovery Service shuts down.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01427 · Published 2019-11-21 · No fix listed CWE-404
Priority LOW 35
An unauthenticated attacker can trick a local user into executing arbitrary commands by opening a deliberately manipulated project file with an affected engineering tool.
CVSS 3.1HIGH 7.8· Local · No auth · User interaction · EPSS 0.00165 · Published 2025-09-09 · Fixed in 3.1.4024.67 CWE-502
Priority LOW 35
The IPC-Diagnostics package included in TwinCAT/BSD is vulnerable to a local authentication bypass by a low privileged attacker.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00162 · Published 2024-08-27 · Fixed in 2.0.0.1, 14.1.2.0 CWE-288
Priority LOW 35
Kernel drivers in Beckhoff TwinCAT 3.1 Build 4022.4, TwinCAT 2.11 R3 2259, and TwinCAT 3.1 lack proper validation of user-supplied pointer values.
CVSS 3.0HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00557 · Published 2018-03-23 · No fix listed CWE-822
Priority LOW 34
The MPD package included in TwinCAT/BSD allows an authenticated, low-privileged local attacker to induce a Denial-of-Service (DoS) condition on the daemon and execute code in the context of user “root” via a crafted HTTP…
CVSS 3.1HIGH 7.3· Local · Low privileges · No interaction · EPSS 0.00265 · Published 2024-08-27 · Fixed in 1.2.7.0, 14.1.2.0 CWE-120
Priority LOW 34
The IPC-Diagnostics package in TwinCAT/BSD is susceptible to improper input neutralization by a low-privileged local attacker.
CVSS 3.1HIGH 7.3· Local · Low privileges · User interaction · EPSS 0.00239 · Published 2024-08-27 · Fixed in 2.0.0.1, 14.1.2.0 CWE-79
Priority LOW 34
The default installation path of the TwinCAT XAR 3.1 software in all versions is underneath C:\TwinCAT.
CVSS 3.1HIGH 7.3· Local · Low privileges · User interaction · EPSS 0.00876 · Published 2020-11-19 · No fix listed CWE-276
Priority LOW 31
TwinCAT OPC UA Server in TF6100 and TS6100 in product versions before 4.3.48.0 or with TcOpcUaServer versions below 3.2.0.194 are prone to a relative path traversal that allow administrators to create or delete any files…
CVSS 3.1MEDIUM 6.5· Network · High privileges · No interaction · EPSS 0.01126 · Published 2021-11-04 · Fixed in 4.3.48.0, 3.2.0.19423 CWE-23
Priority LOW 30
A local user with administrative access rights can enter specialy crafted values for settings at the user interface (UI) of the TwinCAT Package Manager which then causes arbitrary OS commands to be executed.
CVSS 3.1MEDIUM 6.5· Local · High privileges · User interaction · EPSS 0.00188 · Published 2024-10-31 · Fixed in 1.0.603.0 CWE-78
Priority LOW 27
Beckhoff TwinCAT 3 supports communication over ADS.
CVSS 3.0MEDIUM 5.9· Network · No auth · No interaction · EPSS 0.00423 · Published 2018-06-27 · No fix listed CWE-522
Priority LOW 26
TwinCAT OPC UA Server in versions up to 2.3.0.12 and IPC Diagnostics UA Server in versions up to 3.1.0.1 from Beckhoff Automation GmbH & Co.
CVSS 3.1MEDIUM 5.3· Network · No auth · No interaction · EPSS 0.00955 · Published 2021-05-13 · No fix listed CWE-20
Priority LOW 26
Beckhoff's TwinCAT RT network driver for Intel 8254x and 8255x is providing EtherCAT functionality.
CVSS 3.1MEDIUM 5.3· Network · No auth · No interaction · EPSS 0.01014 · Published 2020-06-16 · No fix listed CWE-459
Priority LOW 24
The IPC-Diagnostics package included in TwinCAT/BSD is vulnerable to a local denial-of-service attack by a low privileged attacker.
CVSS 3.1MEDIUM 5.5· Local · Low privileges · No interaction · EPSS 0.00157 · Published 2024-08-27 · Fixed in 2.0.0.1, 14.1.2.0 CWE-770
Priority LOW 22
The package authelia-bhf included in Beckhoffs TwinCAT/BSD is prone to an open redirect that allows a remote unprivileged attacker to redirect a user to another site.
CVSS 3.1MEDIUM 4.7· Network · No auth · User interaction · EPSS 0.00433 · Published 2023-12-14 · Fixed in 4.37.5 CWE-601