How severe is CVE-2022-43667?

CVE-2022-43667 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-2022-43667 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-43667?

CVE-2022-43667 affects Omron Cx-programmer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-43667?

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-2022-43667 published?

CVE-2022-43667 was published on 2022-12-07 and last updated on 2026-06-17.

CVE-2022-43667

CVE-2022-43667 is a high-severity vulnerability in Omron Cx-programmer 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-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Omron Cx-programmer
Published: 2022-12-07
Last modified: 2026-06-17

Description

Stack-based buffer overflow vulnerability exists in CX-Programmer v.9.77 and earlier, which may lead to information disclosure and/or arbitrary code execution by having a user to open a specially crafted CXP file.

Frequently asked questions

What is CVE-2022-43667?: Stack-based buffer overflow vulnerability exists in CX-Programmer v.9.77 and earlier, which may lead to information disclosure and/or arbitrary code execution by having a user to open a specially crafted CXP file.
How severe is CVE-2022-43667?: CVE-2022-43667 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-2022-43667 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-43667?: CVE-2022-43667 affects Omron Cx-programmer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-43667?: 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-2022-43667 published?: CVE-2022-43667 was published on 2022-12-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:omron:cx-programmer:*:*:*:*:*:*:*:*

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