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CVE-2019-5077

nvd nist
Published: Dec 18, 2019Modified: Jun 17, 2026

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9.1
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Exploitability: 3.9 / Impact: 5.2
Source: NVD

Description

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.

Affected (3)

Wago
2 products
Pfc 200 Firmware
Pfc 100 Firmware
Configuration A
2 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Wago
Pfc 200 Firmware
Version 03.00.39(12)
Pfc 200 Firmware
Version 03.01.07(13)
Running on/withPlatform Versions
Wago
Pfc 200
All versions
Configuration B
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Pfc 100 Firmware
Version 03.00.39(12)
Running on/withPlatform Versions
Wago
Pfc 100
All versions

Related CWEs

CWE-306
Missing Authentication for Critical Function
The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

References (2)

Source: talos-cna@cisco.com
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.