Command Injection Vulnerability in WAGO PFC 200 by WAGO
CVE-2019-5174

7.8HIGH

Key Information:

Vendor

Wago

Status
Wago Pfc200 Firmware
Vendor
CVE Published:
11 March 2020

What is CVE-2019-5174?

A command injection vulnerability exists in the iocheckd service of the WAGO PFC 200, specifically within the 'I/O-Check' function. An attacker can exploit this vulnerability by sending a specially crafted XML cache file to the device, enabling them to insert malicious OS commands through improper parsing of the file. The extracted subnetmask value is improperly handled and executed within the system command, allowing unauthorized actions on the affected device.

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

.