How severe is CVE-2023-42506?

CVE-2023-42506 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-2023-42506 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-42506?

CVE-2023-42506 affects Jtekt Onsinview2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-42506?

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-2023-42506 published?

CVE-2023-42506 was published on 2023-10-17 and last updated on 2026-06-17.

CVE-2023-42506

CVE-2023-42506 is a high-severity vulnerability in Jtekt Onsinview2 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-119.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Jtekt Onsinview2
Published: 2023-10-17
Last modified: 2026-06-17

Description

Improper restriction of operations within the bounds of a memory buffer issue exists in OnSinView2 versions 2.0.1 and earlier. If this vulnerability is exploited, information may be disclosed or arbitrary code may be executed by having a user open a specially crafted OnSinView2 project file.

Frequently asked questions

What is CVE-2023-42506?: Improper restriction of operations within the bounds of a memory buffer issue exists in OnSinView2 versions 2.0.1 and earlier. If this vulnerability is exploited, information may be disclosed or arbitrary code may be executed by having a user open a specially crafted OnSinView2 project file.
How severe is CVE-2023-42506?: CVE-2023-42506 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-2023-42506 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-42506?: CVE-2023-42506 affects Jtekt Onsinview2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-42506?: 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-2023-42506 published?: CVE-2023-42506 was published on 2023-10-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jtekt:onsinview2:*:*:*:*:*:*:*:*

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