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
EPSS: 0.016 (74.8th percentile) — read the EPSS interpretation.
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.
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\(13\)
- N/a Wago Pfc100 — versions Firmware version 03.00.39(12)
- N/a Wago Pfc200 — versions Firmware version 03.01.07(13), Firmware version 03.00.39(12)
Weakness classification (CWE)
References
- talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)
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.