CVE-2023-4452: Web Server Buffer Overflow Vulnerability

Published Nov 1, 2023
·
Updated

A vulnerability has been identified in the EDR-810, EDR-G902, and EDR-G903 Series, making them vulnerable to the denial-of-service vulnerability. This vulnerability stems from insufficient input validation in the URI, potentially enabling malicious users to trigger the device reboot.

Affected Software

16 affected components
All of the following
MOXA Edr-g903 Firmware<5.7.21
MOXA EDR-G903
All of the following
MOXA Edr-g903-t Firmware<5.7.21
MOXA Edr-g903-t
All of the following
MOXA Edr-g902 Firmware<5.7.21
MOXA EDR-G902
All of the following
MOXA Edr-g902-t Firmware<5.7.21
MOXA Edr-g902-t
All of the following
MOXA Edr-810-vpn-2gsfp Firmware<5.12.29
MOXA Edr-810-vpn-2gsfp
All of the following
MOXA Edr-810-vpn-2gsfp-t Firmware<5.12.29
MOXA Edr-810-vpn-2gsfp-t
All of the following
MOXA Edr-810-2gsfp Firmware<5.12.29
MOXA Edr-810-2gsfp
All of the following
MOXA Edr-810-2gsfp-t Firmware<5.12.29
MOXA Edr-810-2gsfp-t

Remediation

Information

Moxa has developed appropriate solutions to address the vulnerabilities. The solutions for affected products are shown below. * EDR-810 Series: Please upgrade to firmware v5.12.29 or later * EDR-G902 Series: Please upgrade to firmware v5.7.21 or later * EDR-G903 Series: Please upgrade to firmware v5.7.21 or later

Event History

Nov 1, 2023
CVE Published
via MITRE·02:24 PM
Data Sourced
via MITRE·02:24 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·03:15 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the vulnerability ID of this vulnerability?

The vulnerability ID for this vulnerability is CVE-2023-4452.

2

What is the severity of CVE-2023-4452?

The severity of CVE-2023-4452 is high with a severity value of 7.5.

3

Which software versions are affected by CVE-2023-4452?

The EDR-810, EDR-G902, and EDR-G903 Series with firmware versions up to exclusive 5.7.21 are affected by CVE-2023-4452.

4

How does CVE-2023-4452 affect the affected devices?

CVE-2023-4452 allows malicious users to trigger a denial-of-service vulnerability in the affected devices by exploiting insufficient input validation in the URI, potentially causing the devices to reboot.

5

How can I fix CVE-2023-4452?

To fix CVE-2023-4452, it is recommended to update the firmware of the affected devices to a version that is not vulnerable.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203