How severe is CVE-2023-38746?

CVE-2023-38746 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-2023-38746 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-2023-38746?

CVE-2023-38746 affects Omron Cx-programmer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-38746?

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-2023-38746 published?

CVE-2023-38746 was published on 2023-08-03 and last updated on 2026-06-17.

CVE-2023-38746

CVE-2023-38746 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-125.

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-125
Affected product: Omron Cx-programmer
Published: 2023-08-03
Last modified: 2026-06-17

Description

Out-of-bounds read vulnerability/issue exists in CX-Programmer Included in CX-One CXONE-AL[][]D-V4 V9.80 and earlier. By having a user open a specially crafted CXP file, information disclosure and/or arbitrary code execution may occur.

Frequently asked questions

What is CVE-2023-38746?: Out-of-bounds read vulnerability/issue exists in CX-Programmer Included in CX-One CXONE-AL[][]D-V4 V9.80 and earlier. By having a user open a specially crafted CXP file, information disclosure and/or arbitrary code execution may occur.
How severe is CVE-2023-38746?: CVE-2023-38746 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-2023-38746 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-2023-38746?: CVE-2023-38746 affects Omron Cx-programmer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-38746?: 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-2023-38746 published?: CVE-2023-38746 was published on 2023-08-03 and last updated on 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Omron Cx-programmer

CVE-2015-0987 — Critical (CVSS 10.0): Omron CX-One CX-Programmer before 9.6, CJ2M PLC devices before 2.1, and CJ2H PLC devices before 1.5 rely on cleartext…
CVE-2023-22277 — High (CVSS 7.8): Use after free vulnerability exists in CX-Programmer Ver.9.79 and earlier. By having a user open a specially crafted…
CVE-2023-22317 — High (CVSS 7.8): Use after free vulnerability exists in CX-Programmer Ver.9.79 and earlier. By having a user open a specially crafted…
CVE-2023-22314 — High (CVSS 7.8): Use after free vulnerability exists in CX-Programmer Ver.9.79 and earlier. By having a user open a specially crafted…
CVE-2023-38748 — High (CVSS 7.8): Use after free vulnerability exists in CX-Programmer Included in CX-One CXONE-AL[][]D-V4 V9.80 and earlier. By having a…
CVE-2023-38747 — High (CVSS 7.8): Heap-based buffer overflow vulnerability exists in CX-Programmer Included in CX-One CXONE-AL[][]D-V4 V9.80 and earlier.…

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Other CWE-125 (Out-of-bounds Read) vulnerabilities

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CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…

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