How severe is CVE-2023-22366?

CVE-2023-22366 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-2023-22366 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-2023-22366?

CVE-2023-22366 affects Omron Cx-motion-mch Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-22366?

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-2023-22366 published?

CVE-2023-22366 was published on 2023-01-17 and last updated on 2026-06-17.

CVE-2023-22366

CVE-2023-22366 is a high-severity vulnerability in Omron Cx-motion-mch Firmware 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-824.

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-824
Affected product: Omron Cx-motion-mch Firmware
Published: 2023-01-17
Last modified: 2026-06-17

Description

CX-Motion-MCH v2.32 and earlier contains an access of uninitialized pointer vulnerability. Having a user to open a specially crafted project file may lead to information disclosure and/or arbitrary code execution.

Frequently asked questions

What is CVE-2023-22366?: CX-Motion-MCH v2.32 and earlier contains an access of uninitialized pointer vulnerability. Having a user to open a specially crafted project file may lead to information disclosure and/or arbitrary code execution.
How severe is CVE-2023-22366?: CVE-2023-22366 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-2023-22366 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-2023-22366?: CVE-2023-22366 affects Omron Cx-motion-mch Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-22366?: 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-2023-22366 published?: CVE-2023-22366 was published on 2023-01-17 and last updated on 2026-06-17.

References

https://jvn.jp/en/vu/JVNVU91744508/index.html

Affected products (1)

cpe:2.3:o:omron:cx-motion-mch_firmware:*:*:*:*:*:*:*:*

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