VULNERABILITY INTELLIGENCE
CVE-2019-5171
CVSS score7.8 HIGH
EPSS probability1.39%
CISA KEVNot currently listed
Published2020-03-12
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Description
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/config_interfaces interface=X1 state=enabled ip-address=<contents of ip node> using sprintf().
Weakness classification
- CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Primary references
- talos-cna@cisco.com — Exploit, Technical Description, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Technical Description, Third Party Advisory