Information disclosure in Wago Pfc 100
CVE-2019-5073
An exploitable information exposure vulnerability exists in the iocheckd service "I/O-Check" functionality of WAGO PFC200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC100 Firmware version 03.00.39(12). A specially crafted set of packets can cause an external tool to fail, resulting in uninitialized stack data to be copied to the response packet buffer. An attacker can send unauthenticated packets to trigger this vulnerability.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.016 (76.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Wago Pfc 100
- Wago Pfc 100 Firmware — versions 03.00.39(12), 03.00.39\(12\)
- Wago Pfc 200
- Wago Pfc 200 Firmware — versions 03.01.07(13), 03.00.39(12), 03.01.07\(13\)
- Wago Pfc100 — versions Firmware version 03.00.39(12)
- Wago Pfc200 — versions Firmware version 03.01.07(13), Firmware version 03.00.39(12)
Weakness classification (CWE)
References
- talosintelligence.com/vulnerability_reports/TALOS-2019-0862 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-5073?
- CVE-2019-5073 is a medium-severity vulnerability in Wago Pfc 100, classified under Information Disclosure. CVSS score: 5.3/10. Published 2019-12-18.
- How severe is CVE-2019-5073?
- Medium severity. CVSS v3 base score is 5.3 out of 10.