What is CVE-2021-35223?

CVE-2021-35223 is a vulnerability in the Serv-U File Server that allows for remote code execution.

How severe is CVE-2021-35223?

CVE-2021-35223 has a severity score of 8.8 (high).

Which software is affected by CVE-2021-35223?

The Serv-U File Server up to version 15.2.4 is affected by CVE-2021-35223.

How can CVE-2021-35223 be exploited?

CVE-2021-35223 can be exploited by supplying parameters that can execute a remote code on the server.

How can I fix CVE-2021-35223?

To fix CVE-2021-35223, upgrade Serv-U File Server to version 15.2.4 or higher.

Vulnerability/
CVE-2021-35223

high

8.8

CWE

31/8/2021

4/8/2024

CVE-2021-35223: Execute Command Function Allows Remote Code Execution (RCE)Vulnerability

First published: Tue Aug 31 2021(Updated: )

The Serv-U File Server allows for events such as user login failures to be audited by executing a command. This command can be supplied with parameters that can take the form of user string variables, allowing remote code execution.

Credit: psirt@solarwinds.com

Affected Software	Affected Version	How to fix
SolarWinds Serv-U	<15.2.4

Remedy

SolarWinds recommends customers upgrade to the latest version of the product as soon as possible. Upgrading the software will remediate this vulnerability.

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Reference Links

Frequently Asked Questions

What is CVE-2021-35223?
CVE-2021-35223 is a vulnerability in the Serv-U File Server that allows for remote code execution.
How severe is CVE-2021-35223?
CVE-2021-35223 has a severity score of 8.8 (high).
Which software is affected by CVE-2021-35223?
The Serv-U File Server up to version 15.2.4 is affected by CVE-2021-35223.
How can CVE-2021-35223 be exploited?
CVE-2021-35223 can be exploited by supplying parameters that can execute a remote code on the server.
How can I fix CVE-2021-35223?
To fix CVE-2021-35223, upgrade Serv-U File Server to version 15.2.4 or higher.

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