CVE-2021-34597

Phoenix Contact: PC Worx/-Express prone to improper input validation vulnerability

Published Nov 4, 2021 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
Improper Input Validation vulnerability in PC Worx Automation Suite of Phoenix Contact up to version 1.88 could allow an attacker with a manipulated project file to unpack arbitrary files outside of the selected project directory.

Remediation

Vendor Solution

With the next version of Automation Worx Software Suite additional plausibility checks for archive content will be implemented.


Vendor Workaround

Temporary Fix / Mitigation 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

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2021-21247 Improper Input Validation vulnerability in PC Worx Automation Suite of Phoenix Contact up to version 1.88 could allow an attacker with a manipulated project file to unpack arbitrary files outside of the selected project directory.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
CERTVDE
Published
Updated
Sep 16, 2024, 6:09 PM
Reserved
Jun 10, 2021, 12:00 AM
Status
Modified
Published
Nov 4, 2021, 10:15 AM
Modified
Jun 17, 2026, 3:56 AM