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

Published Jul 5, 2023
·
Updated

TN-5900 Series version 3.3 and prior versions is vulnearble to user enumeration vulnerability. 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.

Affected Software

4 affected components
MOXA Tn-5900 Firmware<=3.3
MOXA TN-5900
All of the following
MOXA Tn-5900 Firmware<=3.3
MOXA TN-5900

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Moxa TN-5900 Series firmware to a version that resolves this vulnerability.

    Fixed in 3.4

Event History

Jul 5, 2023
CVE Published
via MITRE·09:11 AM
Data Sourced
via MITRE·09:11 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·10:15 AM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is CVE-2023-3336?

CVE-2023-3336 is a user enumeration vulnerability in TN-5900 Series version 3.3 and prior versions.

2

How can a remote attacker exploit CVE-2023-3336?

A remote attacker can exploit CVE-2023-3336 by determining whether a user is valid during password recovery through the web login page and enable a brute force attack with valid users.

3

Which software versions are affected by CVE-2023-3336?

TN-5900 Series version 3.3 and prior versions are affected by CVE-2023-3336.

4

What is the severity of CVE-2023-3336?

CVE-2023-3336 has a severity rating of medium (5.3).

5

How can I fix CVE-2023-3336?

To fix CVE-2023-3336, it is recommended to update TN-5900 Series firmware to a version that is not vulnerable.

Contact

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