CVE-2020-12510 Beckhoff: Privilege Escalation through TwinCat System

The default installation path of the TwinCAT XAR 3.1 software in all versions is underneath C:\TwinCAT. If the directory does not exist it and further subdirectories are created with permissions which allow every local user to modify the content. The default installation registers TcSysUI.exe for...

CVE-2020-12510

CVE-2020-12510 concerns Beckhoff’s TwinCAT XAR 3.1. The default installation path is C:\TwinCAT, and if this directory (or subdirectories) does not exist they are created with permissions that allow any local user to modify contents. TcSysUI.exe is registered for automatic execution on user login...

CVE-2020-12494

Beckhoff's TwinCAT RT network driver for Intel 8254x and 8255x is providing EtherCAT functionality. The driver implements real-time features. Except for Ethernet frames sent from real-time functionality, all other Ethernet frames sent through the driver are not padded if their payload is less tha...

CVE-2020-12494

Beckhoff's TwinCAT RT network driver for Intel 8254x and 8255x is providing EtherCAT functionality. The driver implements real-time features. Except for Ethernet frames sent from real-time functionality, all other Ethernet frames sent through the driver are not padded if their payload is less tha...

Design/Logic Flaw

Beckhoff's TwinCAT RT network driver for Intel 8254x and 8255x is providing EtherCAT functionality. The driver implements real-time features. Except for Ethernet frames sent from real-time functionality, all other Ethernet frames sent through the driver are not padded if their payload is less tha...

CVE-2020-12494 Beckhoff: Etherleak in TwinCAT RT network driver

Beckhoff's TwinCAT RT network driver for Intel 8254x and 8255x is providing EtherCAT functionality. The driver implements real-time features. Except for Ethernet frames sent from real-time functionality, all other Ethernet frames sent through the driver are not padded if their payload is less tha...

CVE-2020-12494

Beckhoff TwinCAT RT network driver for Intel 8254x/8255x EtherCAT functionality contains a padding issue: non-realtime frames are not padded to the minimum Ethernet frame size, causing arbitrary memory content to be transmitted in the padding bytes. This can lead to memory disclosure, with the mo...

Beckhoff Twincat Improper Restriction of Operations within the Bounds of a Memory Buffer

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. File data ot500331.nasl...

Beckhoff Twincat Inadequate Encryption Strength

Beckhoff TwinCAT supports communication over ADS. ADS is a protocol for industrial automation in protected environments. ADS has not been designed to achieve security purposes and therefore does not include any encryption algorithms because of their negative effect on performance and throughput. ...

Beckhoff Twincat Improper Input Validation

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. An attacker who is able to execute code on the target may be able to exploit this vulnerability to obtain SYSTEM privileges. File data ot500341.nasl...

Beckhoff Bk9000 Uncontrolled Resource Consumption

A Denial-of-Service vulnerability exists in BECKHOFF Ethernet TCP/IP Bus Coupler BK9000. After an attack has occurred, the device's functionality can be restored by rebooting. File data ot500372.nasl...

Beckhoff Twincat Improper Input Validation

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. File data ot500357.nasl...

Beckhoff Twincat Divide By Zero

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. This issue affects TwinCAT 2 version 2304 and prior and TwinCAT 3.1 version 4204.0 and prior. File data ot500344.nasl...

Beckhoff Embedded Unspecified Vulnerability

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 Display service, or 3 TELNET service. File data ot500333.nasl...

Beckhoff Twincat Use of a Broken or Risky Cryptographic Algorithm

Beckhoff TwinCAT 3 supports communication over ADS. ADS is a protocol for industrial automation in protected environments. This protocol uses user configured routes, that can be edited remotely via ADS. This special command supports encrypted authentication with username/password. The encryption...

Beckhoff Twincat Improper Resource Shutdown or Release

When a Beckhoff TwinCAT Runtime receives a malformed UDP packet, the ADS Discovery Service shuts down. Note that the TwinCAT devices are still performing as normal. This issue affects TwinCAT 2 version 2304 and prior and TwinCAT 3.1 version 4204.0 and prior. File data ot500343.nasl...

Beckhoff Ipc Improper Access Control

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 unspecified other impact via a crafted request, as demonstrated by a...

Beckhoff Embedded Unspecified Vulnerability

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 access via a brute-force attack. File data ot500332.nasl...

BECKHOFF Ethernet TCP/IP Bus Coupler BK9000 Resource Management Error Vulnerability

The Beckhoff Ethernet TCP/IP Bus Coupler BK9000 is an Ethernet TCP/IP bus coupler from Beckhoff Germany. A resource management error vulnerability exists in the BECKHOFF Ethernet TCP/IP Bus Coupler BK9000. The vulnerability arises from mismanagement of system resources e.g., memory, disk space,...

CVE-2020-9464

A Denial-of-Service vulnerability exists in BECKHOFF Ethernet TCP/IP Bus Coupler BK9000. After an attack has occurred, the device's functionality can be restored by rebooting...