CVE-2019-5078

published 2019-12-18

CVE-2019-5078: An exploitable denial of service vulnerability exists in the iocheckd service "I/O-Check" functionality of WAGO PFC200 Firmware versions 03.01.07(13) and…

critical 9.1 CVSS 3.1

AV N AC L PR N UI N S U C N I H A H

An exploitable denial of service 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 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.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
wago	pfc_100_firmware	—	—
wago	pfc_200_firmware	—	—
wago	pfc_200_firmware	—	—

CWE-306