Multiple vulnerabilities have been discovered in CODESYS Control V3 runtime system.
For details regarding the single vulnerabilities please refer to the security advisories issued by CODESYS:

  • CODESYS Security Advisory 2022-02
  • CODESYS Security Advisory 2022-04
  • CODESYS Security Advisory 2022-06
  • CODESYS Security Advisory 2022-09



Two Vulnerabilities have been discovered in TC ROUTER 4000 series and CLOUD CLIENT 2000 series up to firmware version 4.5.7x.107.

The web administration interface is vulnerable for authenticated admin users to path traversals, which could lead to arbitrary file uploads or deletion. Unvalidated user input also enables execution of OS commands.



A new LTS Firmware release fixes known vulnerabilities in used open-source libraries.

In addition, the following improvements have been implemented:

HMI

- Hardening against DoS attacks.
- Hardening against memory leak problems in case of network attacks.

WBM

- Umlauts in the password of the “User Manager” were not handled correctly. The password rule for upper and lower case was not followed. This could lead to unintentionally weaker passwords.
- Hardening of WBM against Cross-Site-Scripting.

User Manager

- In security notifications “SecurityToken” was always displayed as “0000000” when creating or modifying users.
- Hardening of Trust and Identity Stores.



Two vulnerabilities have been discovered in the Expat XML parser library (aka libexpat). This open-source component is widely used in a lot of products worldwide. An attacker could cause a program to crash, use unexpected values or execute code by exploiting these use-after-free vulnerabilities.

Profinet SDK is using XML parser library Expat as reference solution for loading the XML based Profinet network configuration files (IPPNIO or TIC).



A denial of service of the HTTPS management interface of PHOENIX CONTACT FL MGUARD and TC MGUARD devices can be triggered by a larger number of unauthenticated HTTPS connections originating from different source IP’s. Configuring firewall limits for incoming connections cannot prevent the issue.



Manipulated PC Worx or Config+ files could lead to a heap buffer overflow, release of unallocated memory or a read access violation due to insufficient validation of input data.
The attacker needs to get access to an original bus configuration file (*.bcp) to be able to manipulate data inside. After manipulation the attacker needs to exchange the original file by the manipulated one on the application programming workstation.

Update A, 2022-11-14

  • removed the sentence "Automated systems in operation which were programmed with one of the above-mentioned products are not affected." from Impact.



UPDATE A: Two devices (ENERGY AXC PU, SMARTRTU AXC SG) added (24.11.2022)

Update for PLCnext Firmware containing fixes for recent vulnerability findings in Linux components and security enhancements.

PLCnext Control AXC F x152 is certified according to IEC 62443-4-1 and IEC 62443-4-2. This certification requires that all third-party components used in the firmware are regularly checked for known vulnerabilities.



ProConOS/ProConOS eCLR designed for use in closed industrial networks provide communication protocols without authentication.

Please also refer the original ICS-CERT advisory ICSA-15-013-03 published 13 January 2015.



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