How can the CVE-2021-3816 vulnerability be exploited?

The CVE-2021-3816 vulnerability can be exploited by authenticated users with User Management permissions who inject arbitrary HTML in the group_prefix field during the creation of a new group via the "Copy" method at user_group_admin.php.

What is the severity of CVE-2021-3816?

CVE-2021-3816 has a severity rating of medium with a CVSS score of 5.4.

What can an attacker do with this vulnerability?

An attacker with the CVE-2021-3816 vulnerability can inject arbitrary HTML in the group_prefix field, which can potentially lead to cross-site scripting (XSS) attacks and manipulation of the group creation process.

How can I mitigate the CVE-2021-3816 vulnerability?

To mitigate the CVE-2021-3816 vulnerability, it is recommended to update Cacti to a version that includes the fix for the vulnerability.

Vulnerability/
CVE-2021-3816

medium

5.4

CWE

19/1/2022

3/8/2024

CVE-2021-3816: XSS

First published: Wed Jan 19 2022(Updated: )

Cacti 1.1.38 allows authenticated users with User Management permissions to inject arbitrary HTML in the group_prefix field during the creation of a new group via "Copy" method at user_group_admin.php.

Credit: secalert@redhat.com

Affected Software	Affected Version	How to fix
Cacti Cacti	=1.1.38

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Reference Links

https://www.cacti.net/info/changelog

Frequently Asked Questions

What is CVE-2021-3816?
CVE-2021-3816 is a vulnerability in Cacti version 1.1.38 that allows authenticated users with User Management permissions to inject arbitrary HTML in the group_prefix field during the creation of a new group via the "Copy" method at user_group_admin.php.
How can the CVE-2021-3816 vulnerability be exploited?
The CVE-2021-3816 vulnerability can be exploited by authenticated users with User Management permissions who inject arbitrary HTML in the group_prefix field during the creation of a new group via the "Copy" method at user_group_admin.php.
What is the severity of CVE-2021-3816?
CVE-2021-3816 has a severity rating of medium with a CVSS score of 5.4.
What can an attacker do with this vulnerability?
An attacker with the CVE-2021-3816 vulnerability can inject arbitrary HTML in the group_prefix field, which can potentially lead to cross-site scripting (XSS) attacks and manipulation of the group creation process.
How can I mitigate the CVE-2021-3816 vulnerability?
To mitigate the CVE-2021-3816 vulnerability, it is recommended to update Cacti to a version that includes the fix for the vulnerability.

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vendor/cacti
canonical/cacti cacti
version/cacti cacti/1.1.38

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