CVE-2023-22322 — Improper restriction of XML external entity reference (XXE) vulnerability exists

Improper restriction of XML external entity reference (XXE) vulnerability exists in OMRON CX-Motion Pro 1.4.6.013 and earlier. If a user opens a specially crafted project file created by an attacker, sensitive information in the file system where CX-Motion Pro is installed may be

01What is this vulnerability?

Improper restriction of XML external entity reference (XXE) vulnerability exists in OMRON CX-Motion Pro 1.4.6.013 and earlier. If a user opens a specially crafted project file created by an attacker, sensitive information in the file system where CX-Motion Pro is installed may be disclosed.

02Affected products

Vendor	Product	Versions
OMRON Corporation	CX	Motion Pro — 1.4.6.013 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

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

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: 2023-01-30T00:00:00.000Z
• Last modified: 2025-03-27T20:17:03.881Z

09References

• jvn.jp — https://jvn.jp/en/vu/JVNVU94200979/