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Status published
High
CVE-2024-8419
Improper Access Control vulnerability in AC4xxS devices
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Dmytro Kryhin
- National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”
Affected Vendor
ifm electronic GmbH
View all reports →Affected Software
ifm Smart PLC AC402s, ifm Smart PLC AC422s, ifm Smart PLC AC424s, ifm Smart PLC AC432s, ifm Smart PLC AC434s
Vulnerable Versions:
4.04, 6.1.8
Timeline
Official Publish:
June 30th, 2025
Last Modified:
February 16th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H