CVE-2019-5171: Command Injection

Published Mar 11, 2020

Updated

An exploitable command injection vulnerability exists in the iocheckd service ‘I/O-Check’ function of the WAGO PFC 200 Firmware version 03.02.02(14). An attacker can send specially crafted packet at 0x1ea48 to the extracted hostname value from the xml file that is used as an argument to /etc/config-tools/configinterfaces interface=X1 state=enabled ip-address=<contents of ip node> using sprintf().

Affected Software

2 affected components

WAGO PFC200 Firmware=03.02.02\(14\)

WAGO PFC200

Event History

Mar 11, 2020

CVE Published

via MITRE·11:17 PM

Data Sourced

via MITRE·11:17 PM

DescriptionWeakness

Frequently Asked Questions

What is CVE-2019-5171?

CVE-2019-5171 is a command injection vulnerability in the iocheckd service 'I/O-Check' function of the WAGO PFC 200 Firmware version 03.02.02(14).

What is the severity of CVE-2019-5171?

The severity of CVE-2019-5171 is high with a CVSS score of 7.8.

How does CVE-2019-5171 affect WAGO PFC200 firmware?

CVE-2019-5171 affects the WAGO PFC200 firmware version 03.02.02(14).

How can an attacker exploit CVE-2019-5171?

An attacker can exploit CVE-2019-5171 by sending a specially crafted packet at 0x1ea48 to the extracted hostname value from the XML file used as an argument.

Is WAGO PFC200 vulnerable to CVE-2019-5171?

Yes, WAGO PFC200 firmware version 03.02.02(14) is vulnerable to CVE-2019-5171.