MXsecurity Register Database Pollution

published 2023-09-02 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-43676

cvss: 5.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits: 0; none known

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.

Patch / fix

links 1

moxa.com/en/support/product-support/security-advisory/mpsa-230403-m… advisory

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 2 y ago (2024-09-30)

Exploit prediction

0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Affected products

Moxa MXsecurity Series

Classification

Weakness

CWE-915 Improperly Controlled Modification of Dynamically-Determined Object Attributes
CWE-913 Improper Control of Dynamically-Managed Code Resources

References

moxa.com /en/support/product-support/security-advisory/mpsa-230403-mxsecurity-series-multiple-vulnerabilities
vendor-advisory, patch

Sources

CVE List CVE-2023-39983
NVD CVE-2023-39983

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Summary