How severe is CVE-2023-27401?

CVE-2023-27401 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-27401 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27401?

CVE-2023-27401 affects Siemens Tecnomatix Plant Simulation. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-27401?

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.

When was CVE-2023-27401 published?

CVE-2023-27401 was published on 2023-03-14 and last updated on 2026-06-17.

CVE-2023-27401

CVE-2023-27401 is a high-severity vulnerability in Siemens Tecnomatix Plant Simulation with a CVSS 3.x base score of 7.8. 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-125.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Siemens Tecnomatix Plant Simulation
Published: 2023-03-14
Last modified: 2026-06-17

Description

A vulnerability has been identified in Tecnomatix Plant Simulation (All versions < V2201.0006). The affected applications contain an out of bounds read past the end of an allocated structure while parsing specially crafted SPP files. This could allow an attacker to execute code in the context of the current process. (ZDI-CAN-20308, ZDI-CAN-20345)

Frequently asked questions

What is CVE-2023-27401?: A vulnerability has been identified in Tecnomatix Plant Simulation (All versions < V2201.0006). The affected applications contain an out of bounds read past the end of an allocated structure while parsing specially crafted SPP files. This could allow an attacker to execute code in the context of the current process. (ZDI-CAN-20308, ZDI-CAN-20345)
How severe is CVE-2023-27401?: CVE-2023-27401 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-27401 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27401?: CVE-2023-27401 affects Siemens Tecnomatix Plant Simulation. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-27401?: 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.
When was CVE-2023-27401 published?: CVE-2023-27401 was published on 2023-03-14 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-847261.pdf

Affected products (1)

cpe:2.3:a:siemens:tecnomatix_plant_simulation:*:*:*:*:*:*:*:*

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