Auth bypass in Ifm Electronic Gmbh Smart Plc Ac402s
CVE-2024-8419
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.
Vulnerability class: Broken Authentication
EPSS: 0.004 (33.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Ifm Electronic Gmbh Smart Plc Ac402s — versions 4.04, 6.1.8
- Ifm Electronic Gmbh Smart Plc Ac422s — versions 4.04, 6.1.8
- Ifm Electronic Gmbh Smart Plc Ac424s — versions 4.04, 6.1.8
- Ifm Electronic Gmbh Smart Plc Ac432s — versions 4.04, 6.1.8
- Ifm Electronic Gmbh Smart Plc Ac434s — versions 4.04, 6.1.8
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2024-8419?
- CVE-2024-8419 is a high-severity vulnerability in Ifm Electronic Gmbh Smart Plc Ac402s, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2025-06-30.
- How severe is CVE-2024-8419?
- High severity. CVSS v3 base score is 7.5 out of 10.