How severe is CVE-2024-32742?

CVE-2024-32742 has a CVSS 3.x base score of 7.6, rated high severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-32742 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-32742?

CVE-2024-32742 affects Siemens Simatic Cn 4100 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-32742?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-32742 have an EU (EUVD) identifier?

Yes. CVE-2024-32742 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-30529.

When was CVE-2024-32742 published?

CVE-2024-32742 was published on 2024-05-14 and last updated on 2026-06-17.

CVE-2024-32742

CVE-2024-32742 is a high-severity vulnerability in Siemens Simatic Cn 4100 Firmware with a CVSS 3.x base score of 7.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1326.

Key facts

Severity: High (CVSS 3.x base score 7.6)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-30529
Weakness: CWE-1326
Affected product: Siemens Simatic Cn 4100 Firmware
Published: 2024-05-14
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2024-32742?: 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.
How severe is CVE-2024-32742?: CVE-2024-32742 has a CVSS 3.x base score of 7.6, rated high severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-32742 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-32742?: CVE-2024-32742 affects Siemens Simatic Cn 4100 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-32742?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-32742 have an EU (EUVD) identifier?: Yes. CVE-2024-32742 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-30529.
When was CVE-2024-32742 published?: CVE-2024-32742 was published on 2024-05-14 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/html/ssa-273900.html

Affected products (1)

cpe:2.3:o:siemens:simatic_cn_4100_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Siemens Simatic Cn 4100 Firmware

CVE-2024-32741 — Critical (CVSS 10.0): A vulnerability has been identified in SIMATIC CN 4100 (All versions < V3.0). The affected device contains hard coded…
CVE-2023-29130 — Critical (CVSS 9.9): A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.5). Affected device consists of improper…
CVE-2024-32740 — Critical (CVSS 9.8): A vulnerability has been identified in SIMATIC CN 4100 (All versions < V3.0). The affected device contains undocumented…
CVE-2023-49621 — Critical (CVSS 9.8): A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.7). The "intermediate installation" system…
CVE-2026-22924 — Critical (CVSS 9.1): A vulnerability has been identified in SIMATIC CN 4100 (All versions < V5.0). The affected application does not…
CVE-2023-49251 — High (CVSS 8.8): A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.7). The "intermediate installation" system…

All CVEs affecting Siemens Simatic Cn 4100 Firmware →

Other CWE-1326 vulnerabilities

CVE-2025-5834 — High (CVSS 7.8): Pioneer DMH-WT7600NEX Missing Immutable Root of Trust in Hardware Local Privilege Escalation Vulnerability. This…
CVE-2025-2762 — High (CVSS 7.8): CarlinKit CPC200-CCPA Missing Root of Trust Local Privilege Escalation Vulnerability. This vulnerability allows local…
CVE-2024-8357 — High (CVSS 7.8): Visteon Infotainment App SoC Missing Immutable Root of Trust in Hardware Local Privilege Escalation Vulnerability. This…
CVE-2025-34502 — High (CVSS 7.0): Deck Mate 2 lacks a verified secure-boot chain and runtime integrity validation for its controller and display modules.…
CVE-2022-38773 — Medium (CVSS 4.6): Affected devices do not contain an Immutable Root of Trust in Hardware. With this the integrity of the code executed on…
CVE-2025-31929 — Medium (CVSS 4.2): A vulnerability has been identified in IEC 1Ph 7.4kW Child socket (8EM1310-2EH04-0GA0) (All versions), IEC 1Ph 7.4kW…

Browse all CWE-1326 vulnerabilities →