What is CVE-2023-3336?

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

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

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

What is the severity of CVE-2023-3336?

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

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.

Vulnerability/
CVE-2023-3336

medium

5.3

CWE

203 204

5/7/2023

20/11/2024

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

Q: 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.

First published: Wed Jul 05 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.

Credit: psirt@moxa.com

Affected Software	Affected Version	How to fix
Moxa Tn-5900 Firmware	<=3.3
Moxa TN-5900

Remedy

Moxa has developed appropriate solutions to address the vulnerabilities. The solutions for affected products are shown below: * TN-5900 Series: Please upgrades to firmware version 3.4 or later.

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Reference Links

https://www.moxa.com/en/support/product-support/security-advisory/mpsa-230401-tn-5900-series-user-enumeration-vulnerability

Frequently Asked Questions

What is CVE-2023-3336?
CVE-2023-3336 is a user enumeration vulnerability in TN-5900 Series version 3.3 and prior versions.
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.
Which software versions are affected by CVE-2023-3336?
TN-5900 Series version 3.3 and prior versions are affected by CVE-2023-3336.
What is the severity of CVE-2023-3336?
CVE-2023-3336 has a severity rating of medium (5.3).
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.

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