CVE-2023-3336: TN-5900 Series User Enumeration Vulnerability

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SUMMARY

TN-5900 Series User Enumeration Vulnerability

• Security Advisory ID: MPSA-230401
• Version: V1.0
• Release Date: Jul 03, 2023
• Reference:
  • CVE-2023-3336

A user enumeration vulnerability exists in the TN-5900 Series. The vulnerability may allow a remote attacker to determine whether a user is valid during password recovery through the web login page and enable a brute force attack with valid users.

The identified vulnerability types and potential impacts are shown below:

Item

Vulnerability Type

Impact

1

CWE-204: Observable Response Discrepancy

An attacker located remotely can obtain sensitive information.

AFFECTED PRODUCTS AND SOLUTIONS

Affected Products:

The affected products and firmware versions are shown below.

Product Series

Affected Versions

TN-5900 Series

Firmware version 3.3 and earlier

Solutions:

Moxa has developed appropriate solutions to address the vulnerabilities. The solutions for affected products are shown below.

Products Confirmed Not Vulnerable:

Only products listed in the Affected Products section of this advisory are known to be affected by this vulnerability. Moxa has confirmed that this vulnerability does not affect the following products:

• TN-4900 Series
• EDR-810 Series
• EDR-G9010 Series
• EDR-G902 Series
• EDR-G903 Series
• NAT-102 Series
• Moxa Remote Connect Suite MRC-1002 Series
• OnCell 3120-LTE-1 Series
• OnCell 5104-HSPA Series

Revision History:

VERSION

DESCRIPTION

RELEASE DATE

1.0

First Release

July 3, 2023

Relevant Products

TN-5900 Series ·

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Related Advisories

• Multiple Routers Improper Input Validation Vulnerabilities
• TN-5916 Series Privilege Escalation Vulnerability
• Secure Router EDR and TN Series Improper Input Validation Vulnerabilities
• TN-5900 Series Secure Routers Vulnerabilities
• TN-5900 Series Secure Routers Vulnerability

Let’s get that fixed

If you are concerned about a potential cybersecurity vulnerability, please contact us and one of technical support staff will get in touch with you.

Report a Vulnerability

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