What is the severity of ZDI-CAN-21805?

The severity of ZDI-CAN-21805 is rated at 7 on the CVSS scale, indicating a high level of risk.

How do I fix ZDI-CAN-21805?

To fix ZDI-CAN-21805, ensure that all software updates and patches from National Instruments for FlexLogger are applied.

Who is affected by ZDI-CAN-21805?

ZDI-CAN-21805 affects installations of National Instruments FlexLogger that have not been secured against the vulnerability.

What type of attacks can exploit ZDI-CAN-21805?

ZDI-CAN-21805 can be exploited by remote attackers who can create arbitrary files after the target user visits a malicious page or opens a malicious file.

Is user interaction required to exploit ZDI-CAN-21805?

Yes, user interaction is required to exploit ZDI-CAN-21805, as the target must visit a malicious page or open a specific malicious file.

Vulnerability/
ZDI-CAN-21805

high

7.8

17/3/2025

18/3/2025

ZDI-CAN-21805: ZDI-25-146: (0Day) NI FlexLogger usiReg URI File Parsing Directory Traversal Remote Code Execution Vulnerability

First published: Mon Mar 17 2025(Updated: )

This vulnerability allows remote attackers to create arbitrary files on affected installations of NI FlexLogger. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of URI files by the usiReg component. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of the current user.

Affected Software	Affected Version	How to fix
National Instruments FlexLogger
National Instruments FlexLogger

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Frequently Asked Questions

What is the severity of ZDI-CAN-21805?
The severity of ZDI-CAN-21805 is rated at 7 on the CVSS scale, indicating a high level of risk.
How do I fix ZDI-CAN-21805?
To fix ZDI-CAN-21805, ensure that all software updates and patches from National Instruments for FlexLogger are applied.
Who is affected by ZDI-CAN-21805?
ZDI-CAN-21805 affects installations of National Instruments FlexLogger that have not been secured against the vulnerability.
What type of attacks can exploit ZDI-CAN-21805?
ZDI-CAN-21805 can be exploited by remote attackers who can create arbitrary files after the target user visits a malicious page or opens a malicious file.
Is user interaction required to exploit ZDI-CAN-21805?
Yes, user interaction is required to exploit ZDI-CAN-21805, as the target must visit a malicious page or open a specific malicious file.

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alias/CVE-2025-2449
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