CVE-2023-43624 — CX-Designer Ver

CX-Designer Ver.3.740 and earlier (included in CX-One CXONE-AL[][]D-V4) contains an improper restriction of XML external entity reference (XXE) vulnerability. If a user opens a specially crafted project file created by an attacker, sensitive information in the file system where C

01What is this vulnerability?

CX-Designer Ver.3.740 and earlier (included in CX-One CXONE-AL[][]D-V4) contains an improper restriction of XML external entity reference (XXE) vulnerability. If a user opens a specially crafted project file created by an attacker, sensitive information in the file system where CX-Designer is installed may be disclosed.

02Affected products

Vendor	Product	Versions
OMRON Corporation	CX	Designer — Ver.3.740 and earlier (included in CX-One CXONE-AL[][]D-V4)

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: 2023-10-23T04:51:39.628Z
• Last modified: 2024-09-17T14:19:52.260Z

09References

• www.fa.omron.co.jp — https://www.fa.omron.co.jp/product/security/assets/pdf/en/OMSR-2023-011_en.pdf
• jvn.jp — https://jvn.jp/en/vu/JVNVU98683567/