CVE-2024-8419 json
Improper Access Control vulnerability in AC4xxS devices
published 2025-06-30 16 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-54715
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 41%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- ifm electronic GmbH ifm Smart PLC AC402s 4.3.17
- ifm electronic GmbH ifm Smart PLC AC422s 4.3.17
- ifm electronic GmbH ifm Smart PLC AC424s 4.3.17
- ifm electronic GmbH ifm Smart PLC AC432s 4.3.17
- ifm electronic GmbH ifm Smart PLC AC434s 4.3.17
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 16 mo ago
Exploit prediction
0.48% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- ifm electronic GmbH ifm Smart PLC AC402s
- ifm electronic GmbH ifm Smart PLC AC422s
- ifm electronic GmbH ifm Smart PLC AC424s
- ifm electronic GmbH ifm Smart PLC AC432s
- ifm electronic GmbH ifm Smart PLC AC434s
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
References
Sources
- CVE List CVE-2024-8419
- NVD CVE-2024-8419
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