CVE-2024-8419

HIGH

ifm Smart PLC AC402s/AC422s/AC424s/AC432s/AC434s 4.04-4.3.16 and 6.1.8 - Unauthenticated Fail-Safe State Activation

Title source: llm

Description

The endpoint hosts a script that allows an unauthorized remote attacker to put the system in a fail-safe state over the network due to missing authentication.

References (1)

Core 1

Core References

Various Sources

https://cert.vde.com/en/advisories/VDE-2024-061

Scores

CVSS v3 7.5

EPSS 0.0041

EPSS Percentile 32.4%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-306

Status published

Products (10)

ifm electronic GmbH/ifm Smart PLC AC402s 4.04 - 4.3.17

ifm electronic GmbH/ifm Smart PLC AC402s 6.1.8

ifm electronic GmbH/ifm Smart PLC AC422s 4.04 - 4.3.17

ifm electronic GmbH/ifm Smart PLC AC422s 6.1.8

ifm electronic GmbH/ifm Smart PLC AC424s 4.04 - 4.3.17

ifm electronic GmbH/ifm Smart PLC AC424s 6.1.8

ifm electronic GmbH/ifm Smart PLC AC432s 4.04 - 4.3.17

ifm electronic GmbH/ifm Smart PLC AC432s 6.1.8

ifm electronic GmbH/ifm Smart PLC AC434s 4.04 - 4.3.17

ifm electronic GmbH/ifm Smart PLC AC434s 6.1.8

Published Jun 30, 2025

Tracked Since Feb 18, 2026