CVE-2023-39983 — A vulnerability that poses a potential risk of polluting the MXsecurity sqlite d

A vulnerability that poses a potential risk of polluting the MXsecurity sqlite database and the nsm-web UI has been identified in MXsecurity versions prior to v1.0.1. This vulnerability might allow an unauthenticated remote attacker to register or add devices via the nsm-web appl

01What is this vulnerability?

A vulnerability that poses a potential risk of polluting the MXsecurity sqlite database and the nsm-web UI has been identified in MXsecurity versions prior to v1.0.1. This vulnerability might allow an unauthenticated remote attacker to register or add devices via the nsm-web application.

02Affected products

Vendor	Product	Versions
Moxa	MXsecurity Series	1.0

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: 2023-09-02T12:37:12.342Z
• Last modified: 2024-09-30T20:15:47.058Z

09References

• www.moxa.com — https://www.moxa.com/en/support/product-support/security-advisory/mpsa-230403-mx…