What is CVE-2023-5627?

CVE-2023-5627 is a high-severity vulnerability in Moxa Nport 6000 Series, classified under Storing Passwords in a Recoverable Format. CVSS score: 7.5/10. Published 2023-11-01.

How severe is CVE-2023-5627?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Moxa Nport 6000 Series

CVE-2023-5627

A vulnerability has been identified in NPort 6000 Series, making the authentication mechanism vulnerable. This vulnerability arises from the incorrect implementation of sensitive information protection, potentially allowing malicious users to gain unauthorized access to the web service.

Published 2023-11-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (21.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

References

www.moxa.com/en/support/product-support/security-advisory/mpsa-232905-nport-600… (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-5627?: CVE-2023-5627 is a high-severity vulnerability in Moxa Nport 6000 Series, classified under Storing Passwords in a Recoverable Format. CVSS score: 7.5/10. Published 2023-11-01.
How severe is CVE-2023-5627?: High severity. CVSS v3 base score is 7.5 out of 10.