RCE in Wago Pfc200
CVE-2019-5171
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().
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.014 (72.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Wago Pfc200
- Wago Pfc200 Firmware — versions 03.02.02\(14\), 03.02.02(14)
- Wago Pfc200 — versions Firmware version 03.02.02(14)
Weakness classification (CWE)
References
- talosintelligence.com/vulnerability_reports/TALOS-2019-0962 (Technical Description, Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-5171?
- CVE-2019-5171 is a high-severity vulnerability in Wago Pfc200, classified under OS Command Injection. CVSS score: 7.8/10. Published 2020-03-12.
- How severe is CVE-2019-5171?
- High severity. CVSS v3 base score is 7.8 out of 10.