Command Injection Flaw in WAGO PFC 200 I/O-Check Service
CVE-2019-5167

7.8HIGH

Key Information:

Vendor

Wago

Status
Wago Pfc200 Firmware
Vendor
CVE Published:
11 March 2020

What is CVE-2019-5167?

A command injection vulnerability exists in the I/O-Check service of the WAGO PFC 200, allowing attackers to exploit it through insufficient validation of DNS values extracted from an XML configuration file. Specifically, the DNS entries are processed without limits, which may lead to arbitrary command execution on the system when utilized by the affected service. This flaw could potentially allow unauthorized access or control over the 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

.