How severe is CVE-2023-39983?

CVE-2023-39983 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2023-39983 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-39983?

CVE-2023-39983 affects Moxa Mxsecurity. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-39983?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-39983 published?

CVE-2023-39983 was published on 2023-09-02 and last updated on 2026-06-17.

CVE-2023-39983

CVE-2023-39983 is a medium-severity vulnerability in Moxa Mxsecurity with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-913.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-913
Affected product: Moxa Mxsecurity
Published: 2023-09-02
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2023-39983?: 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.
How severe is CVE-2023-39983?: CVE-2023-39983 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2023-39983 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39983?: CVE-2023-39983 affects Moxa Mxsecurity. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-39983?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-39983 published?: CVE-2023-39983 was published on 2023-09-02 and last updated on 2026-06-17.

References

https://www.moxa.com/en/support/product-support/security-advisory/mpsa-230403-mxsecurity-series-multiple-vulnerabilities

Affected products (1)

cpe:2.3:a:moxa:mxsecurity:*:*:*:*:*:*:*:*

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