CVE-2021-29242: Input Validation

Q: What is CVE-2021-29242?

CVE-2021-29242 is a vulnerability in the CODESYS Control Runtime system before version 3.5.17.0 that has improper input validation.

Q: How does CVE-2021-29242 impact the system?

CVE-2021-29242 allows attackers to send crafted communication packets to change the router's addressing scheme and may re-route, add, remove, or change low-level communication packages.

Q: Which software versions are affected by CVE-2021-29242?

CODESYS Control Runtime system versions before 3.5.17.0 are affected by CVE-2021-29242.

Q: What is the severity of CVE-2021-29242?

CVE-2021-29242 has a severity rating of 7.3 (high).

Q: How can I mitigate CVE-2021-29242?

To mitigate CVE-2021-29242, it is recommended to update the CODESYS Control Runtime system to version 3.5.17.0 or higher.

Published May 3, 2021

Updated

CODESYS Control Runtime system before 3.5.17.0 has improper input validation. Attackers can send crafted communication packets to change the router's addressing scheme and may re-route, add, remove or change low level communication packages.

Affected Software

24 affected components

CODESYS Control For Beaglebone Sl>=3.0<4.1.0.0

CODESYS Control For Empc-a\/imx6 Sl>=3.0<4.1.0.0

CODESYS Control For Iot2000 Sl>=3.0<4.1.0.0

CODESYS Control For Linux Arm Sl>=3.0<4.1.0.0

CODESYS Control For Linux Sl>=3.0<4.1.0.0

CODESYS Control For Pfc100 Sl>=3.0<4.1.0.0

CODESYS Control For Pfc200 Sl>=3.0<4.1.0.0

CODESYS Control For Plcnext Sl>=3.0<4.1.0.0

CODESYS Control For Raspberry Pi Sl>=3.0<4.1.0.0

CODESYS Control For Wago Touch Panels 600 Sl>=3.0<4.1.0.0

CODESYS Control Rte>=3.0<3.5.17.0

CODESYS Control Rte Beckhoff Cx>=3.0<3.5.17.0

CODESYS Control Runtime System Toolkit>=3.0<3.5.17.0

CODESYS Control Win>=3.0<3.5.17.0

CODESYS Edge Gateway Windows>=3.0<3.5.17.0

CODESYS Edge Gateway Linux>=3.0<4.1.0.0

CODESYS Embedded Target Visu Toolkit>=3.0<3.5.17.0

CODESYS gateway>=3.0<3.5.17.0

CODESYS HMI>=3.0<3.5.17.0

CODESYS Opc Server>=3.0<3.5.17.0

CODESYS Plchandler>=3.0<3.5.17.0

CODESYS Remote Target Visu Toolkit>=3.0<3.5.17.0

CODESYS Safety Sil>=3.0<3.5.17.0

CODESYS Simulation Runtime>=3.0<3.5.17.0

Event History

May 3, 2021

CVE Published

via MITRE·01:56 PM

Data Sourced

via MITRE·01:56 PM

Description

Frequently Asked Questions

What is CVE-2021-29242?

CVE-2021-29242 is a vulnerability in the CODESYS Control Runtime system before version 3.5.17.0 that has improper input validation.

How does CVE-2021-29242 impact the system?

CVE-2021-29242 allows attackers to send crafted communication packets to change the router's addressing scheme and may re-route, add, remove, or change low-level communication packages.

Which software versions are affected by CVE-2021-29242?