CVE-2023-38747 — Heap-based buffer overflow vulnerability exists in CX-Programmer Included in CX-

Heap-based buffer overflow vulnerability 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.

01What is this vulnerability?

Heap-based buffer overflow vulnerability 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.

02Affected products

Vendor	Product	Versions
OMRON Corporation	CX	Programmer — Included in CX-One CXONE-AL[][]D-V4 V9.80 and earlier

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-08-03T05:00:34.672Z
• Last modified: 2024-10-21T19:34:50.342Z

09References

• www.ia.omron.com — https://www.ia.omron.com/product/vulnerability/OMSR-2023-005_en.pdf
• jvn.jp — https://jvn.jp/en/vu/JVNVU93286117/