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CVE-2023-5627

HIGH
Published 2023-11-01T15:04:13.625Z
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CVSS Score

V3.1
7.5
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.238
Higher than 23.8% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Description

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.

Understanding This Vulnerability

This Common Vulnerabilities and Exposures (CVE) entry provides detailed information about a security vulnerability that has been publicly disclosed. CVEs are standardized identifiers assigned by MITRE Corporation to track and catalog security vulnerabilities across software and hardware products.

The severity rating (HIGH) indicates the potential impact of this vulnerability based on the CVSS (Common Vulnerability Scoring System) framework. Higher severity ratings typically indicate vulnerabilities that could lead to more significant security breaches if exploited. Security teams should prioritize remediation efforts based on severity, exploit availability, and the EPSS (Exploit Prediction Scoring System) score, which predicts the likelihood of exploitation in the wild.

If this vulnerability affects products or systems in your infrastructure, we recommend reviewing the affected products section, checking for available patches or updates from vendors, and implementing recommended workarounds or solutions until a permanent fix is available. Organizations should also monitor security advisories and threat intelligence feeds for updates about active exploitation of this vulnerability.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

References

Solutions

The vulnerability has been addressed in FWR v2.0 and subsequent versions; it does NOT exist in these firmware versions.
For the users still using version v1.x, refer to the Hardening Guide https://www.moxa.com/en/products/industrial-edge-connectivity/serial-device-servers/terminal-servers/nport-6100-6200-series#resources on Moxa’s website to:

* Upgrade to the newest firmware version.
* Disable the HTTP console.

Credits & Acknowledgments

finder

Pasha Kravtsov and Nathan Nye from True Anomaly (trueanomaly.space)

EU Vulnerability Database

Monitored by ENISA for EU cybersecurity

EU Coordination

EU Coordinated

Exploitation Status

No Known Exploitation

ENISA Analysis

Malicious code in bioql (PyPI)

Affected Products (ENISA)

moxa
nport 6000 series

ENISA Scoring

CVSS Score (3.1)

7.5
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Score

0.080
probability

Data provided by ENISA EU Vulnerability Database. Last updated: October 3, 2025

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-7477-pxvj-g72x

Advisory Details

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.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Advisory provided by GitHub Security Advisory Database. Published: November 1, 2023, Modified: November 1, 2023

References

Published: 2023-11-01T15:04:13.625Z
Last Modified: 2024-09-05T15:45:44.046Z
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