CVE-2019-5080

CriticalCVSS 9.1/10Last modified Jun 17, 2026

Description

An exploitable denial-of-service vulnerability exists in the iocheckd service "I/O-Check" functionality of WAGO PFC 200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC100 Firmware version 03.00.39(12). A single packet can cause a denial of service and weaken credentials resulting in the default documented credentials being applied to the device. An attacker can send an unauthenticated packet to trigger this vulnerability.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Weakness enumeration

CWE-306

Affected software

No affected versions have been published.

Timeline

Published
Dec 18, 2019
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2019-5080: Critical severity, CVSS 9.1 | Vulnix