critical
9.8
CWE
306
Advisory Published
Updated

CVE-2022-45140: WAGO: Missing Authentication for Critical Function

First published: Mon Feb 27 2023(Updated: )

The configuration backend allows an unauthenticated user to write arbitrary data with root privileges to the storage, which could lead to unauthenticated remote code execution and full system compromise.

Credit: info@cert.vde.com

Affected SoftwareAffected VersionHow to fix
Wago 751-9301 Firmware>=16<22
Wago 751-9301 Firmware=22
Wago 751-9301 Firmware=23
Wago 751-9301
Wago 752-8303\/8000-002 Firmware>=18<22
Wago 752-8303\/8000-002 Firmware=22
Wago 752-8303\/8000-002 Firmware=23
Wago 752-8303\/8000-002
WAGO PFC100 Firmware>=16<22
WAGO PFC100 Firmware=22
WAGO PFC100 Firmware=23
WAGO PFC100
WAGO PFC200 Firmware>=16<22
WAGO PFC200 Firmware=22
WAGO PFC200 Firmware=23
WAGO PFC200
Wago Touch Panel 600 Advanced Firmware>=16<22
Wago Touch Panel 600 Advanced Firmware=22
Wago Touch Panel 600 Advanced Firmware=23
Wago Touch Panel 600 Advanced
Wago Touch Panel 600 Marine Firmware>=16<22
Wago Touch Panel 600 Marine Firmware=22
Wago Touch Panel 600 Marine Firmware=23
Wago Touch Panel 600 Marine
Wago Touch Panel 600 Standard Firmware>=16<22
Wago Touch Panel 600 Standard Firmware=22
Wago Touch Panel 600 Standard Firmware=23
Wago Touch Panel 600 Standard

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2022-45140?

    The severity of CVE-2022-45140 is critical with a severity value of 9.8.

  • How does CVE-2022-45140 impact WAGO devices?

    CVE-2022-45140 allows an unauthenticated user to write arbitrary data with root privileges, potentially leading to unauthenticated remote code execution and full system compromise on affected WAGO devices.

  • Which WAGO devices are affected by CVE-2022-45140?

    CVE-2022-45140 affects WAGO devices including 751-9301 firmware versions 16 to 22, 752-8303/8000-002 firmware versions 18 to 22, and PFC100, PFC200, Touch Panel 600 Advanced, Touch Panel 600 Marine, and Touch Panel 600 Standard firmware versions 16 to 22.

  • How can I fix CVE-2022-45140?

    To fix CVE-2022-45140, it is recommended to update the firmware of the affected WAGO devices to a version that is not vulnerable.

  • Where can I find more information about CVE-2022-45140?

    More information about CVE-2022-45140 can be found at the following link: [https://cert.vde.com/en/advisories/VDE-2022-060/](https://cert.vde.com/en/advisories/VDE-2022-060/)

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