CVEvulnerability

CVE-2019-5080

9.1 CRITICAL Published 2019-12-18 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2019-12-18
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CVSS 2.0 ([email protected])
6.4 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:P
Weaknesses
CWE-306

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.

Affected configurations

• wago pfc 200 firmware 03.00.39\(12\) • wago pfc 200 firmware 03.01.07\(13\) • wago pfc 100 firmware 03.00.39\(12\)

Related

Weakness · CWE (1)

  • CWE-306 Missing Authentication for Critical Functionality weakness

References