CVE-2020-12522

Command Injection Vulnerability in I/O-Check Service of WAGO PFC100, PFC200 and Touch Panel 600 Series with firmware versions <=FW10

Published Dec 17, 2020 CVSS 3.1 · 10 Critical EPSS 3.1% KEV · Not listed
Description
The reported vulnerability allows an attacker who has network access to the device to execute code with specially crafted packets in WAGO Series PFC 100 (750-81xx/xxx-xxx), Series PFC 200 (750-82xx/xxx-xxx), Series Wago Touch Panel 600 Standard Line (762-4xxx), Series Wago Touch Panel 600 Advanced Line (762-5xxx), Series Wago Touch Panel 600 Marine Line (762-6xxx) with firmware versions <=FW10.

Remediation

Vendor Solution

The I/O-Check service protocol is only needed during installation and commissioning, not during normal operations. It is highly recommended to disable the I/O-Check service after commissioning. This is the easiest and securest way to protect your device from the listed vulnerabilities. Regardless to the action described above, the vulnerability has been fixed in FW11, released in December 2017.


Vendor Workaround

Disable I/O-Check service Restrict network access to the device. Do not directly connect the device to the internet.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2020-4824 The reported vulnerability allows an attacker who has network access to the device to execute code with specially crafted packets in WAGO Series PFC 100 (750-81xx/xxx-xxx), Series PFC 200 (750-82xx/xxx-xxx), Series Wago Touch Panel 600 Standard Line (762-4xxx), Series Wago Touch Panel 600 Advanced Line (762-5xxx), Series Wago Touch Panel 600 Marine Line (762-6xxx) with firmware versions <=FW10.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
CERTVDE
Published
Updated
Sep 16, 2024, 6:14 PM
Reserved
Apr 30, 2020, 12:00 AM
Status
Modified
Published
Dec 17, 2020, 11:15 PM
Modified
Jun 17, 2026, 2:51 AM