CVE-2019-5078 Information

Description

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.

CVSS Vector

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

Reference

https://talosintelligence.com/vulnerability_reports/TALOS-2019-0870

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.1