Vulnerability identifier: #VU26282
Vulnerability risk: High
CVSSv3.1: 8.1 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]
CVE-ID:
CWE-ID:
CWE-78
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Wago PFC200 Controller
Hardware solutions /
Firmware
Vendor: WAGO
Description
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation in the iocheckd service "I/O-Check" function in the "state" value. A remote authenticated attacker can use a specially crafted XML cache file and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versions
Wago PFC200 Controller: 03.02.02(14)
External links
http://talosintelligence.com/vulnerability_reports/TALOS-2019-0962
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.