CVE-2020-12498

Phoenix Contact Automation Worx <= 1.87: out-of-bounds read remote code execution

Published Jul 1, 2020 CVSS 3.1 · 7.8 High EPSS 2.1% KEV · Not listed
Description
mwe file parsing in Phoenix Contact PC Worx and PC Worx Express version 1.87 and earlier is vulnerable to out-of-bounds read remote code execution. Manipulated PC Worx projects could lead to a remote code execution due to insufficient input data validation.

Remediation

Vendor Solution

With the next version of Automation Worx Software Suite (Version > 1.87) a sharpened input data validation with respect to buffer size and description of size and number of objects referenced in a file will be implemented.


Vendor Workaround

We strongly recommend customers to exchange project files only using secure file exchange services. Project files should not be exchanged via unencrypted email. In addition, we recommend exchanging or storing project files together with a checksum to ensure their integrity.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2020-4800 mwe file parsing in Phoenix Contact PC Worx and PC Worx Express version 1.87 and earlier is vulnerable to out-of-bounds read remote code execution. Manipulated PC Worx projects could lead to a remote code execution due to insufficient input data validation.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
CERTVDE
Published
Updated
Aug 4, 2024, 11:56 AM
Reserved
Apr 30, 2020, 12:00 AM
Status
Modified
Published
Jul 1, 2020, 4:15 PM
Modified
Jun 17, 2026, 2:51 AM