Command Injection Vulnerability in WAGO PFC 200 Firmware
CVE-2019-5170

7.8HIGH

Key Information:

Vendor
Wago
Status
Wago Pfc200
Vendor
CVE Published:
12 March 2020

Summary

A command injection vulnerability exists in the iocheckd service within the WAGO PFC 200 Firmware, specifically in the function responsible for handling the 'I/O-Check' feature. This vulnerability allows an attacker to exploit a specially crafted XML cache file, which can be placed in a targeted location on the device. When the device parses this malicious file, it takes the extracted hostname and uses it in a system command. This command execution can lead to unauthorized control over the operating system, enabling attackers to perform operations with elevated privileges.

Affected Version(s)

WAGO PFC200 Firmware version 03.02.02(14)

References

https://talosintelligence.com/vulnerability_reports/TALOS...
x_refsource_MISC

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.