Is CVE-2024-32742 in the CISA KEV catalog?

No. CVE-2024-32742 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-32742?

CVE-2024-32742 has a CVSS v3 base score of 7.6 (HIGH).

What is the EPSS score for CVE-2024-32742?

CVE-2024-32742 has an EPSS score of 0.39% (31th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-32742?

Upgrade simatic cn 4100 firmware to 3.0 or later.

CVE & CISA-KEV Catalog

CVE-2024-32742

HIGH

7.6

CVSS v3

NVD

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.

CWE-1326

How to fix

Remediation Available

simatic cn 4100 firmwareNVD

Affected:< 3.0Fixed in:3.0CVE-2024-32742derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorPhysical

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.39%probability of exploitation in 30 days

31stpercentile

Low risk: more likely to be exploited than 31% of all known CVEs.

References

Vendor Advisory1

cert-portal.siemens.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-08-20.