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High VDE-2021-002 1 CVE

Weidmueller: WI Manager affected by fdtContainer vulnerability

Published Jan 20, 2021 · Updated May 14, 2025 · Revision 2

Vendor: Weidmueller Product: WI Manager

Summary

A vulnerability has been discovered in the fdtCONTAINER component and application by M&M Software GmbH.
As this software is part of the Weidmüller FDT/DTM Software with WI Manager, this Weidmueller software is affected by the above vulnerability as well.

The fdtCONTAINER component exchanges binary data blobs with the WI Manager. The WI Manager saves these binary data blobs into a project file.

If an attacker gets write access to the project file, the project file can be manipulated to contain malicious code.

Details

Impact
If a manipulated project file is loaded by the WI Manager, malicious code can get executed with the user rights of the WI Manager without notice.

For more information please refer to:

VDE-2020-048: M&M Software (WAGO): Deserialisation of untrusted data in fdtContainer

Mitigation
- Exchange project data only via secure exchange services
- Use appropriate means to protect the project storage from unauthorized manipulation
- Do not open project data from an unknown source
- Reduce the user rights of the WI Manager to the necessary minimum

Vulnerabilities 1

  • High 7.3
    CVE-2020-12525

    WAGO/M&M Software Deserialization of untrusted data in fdtCONTAINER component

    M&M Software fdtCONTAINER Component in versions below 3.5.20304.x and between 3.6 and 3.6.20304.x is vulnerable to deserialization of untrusted data in its project storage.

    Weidmüller M&M Software Pepperl+Fuchs/PACTware WI Manager

Revision history

  1. #2

    Fix: version space, added distribution

  2. #1

    Initial revision.

References