CVE-2024-32742 Security feature bypass in SIMATIC CN 4100

What is CVE-2024-32742?

CVE-2024-32742 is a high-severity vulnerability in Siemens SIMATIC CN 4100, published on 14 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V3.0). The affected device contains an unrestricted USB port. An attacker with local access to the device could potentially misuse the port for booting another operating system and gain complete read/write access to the filesystem.

Weakness: CWE-1326

Which versions are affected by CVE-2024-32742?

It affects 1 product.

Products include Siemens Simatic Cn 4100 Firmware.

How do I fix CVE-2024-32742?

No fix has been published for CVE-2024-32742 yet. Limit exposure of the affected software until one is available.

Is CVE-2024-32742 being exploited?

There is no known exploitation of CVE-2024-32742 in the wild and no public exploit code.

Other vulnerabilities in Siemens SIMATIC CN 4100

• CVE-2024-32741 Hardcoded credentials in SIMATIC CN 4100 Critical 10.0
• CVE-2023-29130 Privilege escalation in SIMATIC CN 4100 Critical 9.9
• CVE-2024-32740 Hardcoded credentials in SIMATIC CN 4100 Critical 9.8
• CVE-2023-49621 Hardcoded credentials in SIMATIC CN 4100 Critical 9.8
• CVE-2025-40938 Hardcoded credentials in SIMATIC CN 4100 Critical 9.2

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-w364-mr34-496r.