CVE-2019-5077

An exploitable denial-of-service vulnerability exists in the iocheckd service ‘’I/O-Chec’’ functionality of WAGO PFC 200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC 100 Firmware version 03.00.39(12). A specially crafted set of packets can cause a denial of service, resulting in the device entering an error state where it ceases all network communications. An attacker can send unauthenticated packets to trigger this vulnerability.

Score

CVSS 3.1 9.1 Critical

Status

Modified - talos-cna@cisco.com

Published

2019-12-18

Last modified

2024-08-04

Weaknesses

CWE-306

Affected products

• Pfc 100 Firmware (Wago)
• Pfc 200 Firmware (Wago)

References

• https://talosintelligence.com/vulnerability_reports/TALOS-2019-0869