Learn about CVE-2021-28047, a Cross-Site Scripting (XSS) security flaw in Devolutions Remote Desktop Manager, enabling attackers to inject harmful scripts.
A Cross-Site Scripting (XSS) vulnerability in Administrative Reports in Devolutions Remote Desktop Manager before 2021.1 allows remote authenticated users to inject arbitrary web scripts.
Understanding CVE-2021-28047
This CVE involves a security issue in Devolutions Remote Desktop Manager that enables authenticated remote users to execute XSS attacks through input fields in Administrative Reports.
What is CVE-2021-28047?
CVE-2021-28047 is a Cross-Site Scripting vulnerability found in Devolutions Remote Desktop Manager, potentially exploited by remote authenticated users to insert malicious web scripts or HTML via various input fields.
The Impact of CVE-2021-28047
The impact of this vulnerability is significant as it allows attackers to inject harmful scripts into the application, potentially leading to unauthorized access, data theft, or further exploitation of affected systems.
Technical Details of CVE-2021-28047
This section provides in-depth technical details regarding the vulnerability, affected systems, and how exploitation occurs.
Vulnerability Description
The vulnerability arises due to inadequate input validation in Administrative Reports, enabling attackers to input malicious scripts that get executed in the context of the user's session.
Affected Systems and Versions
Devolutions Remote Desktop Manager versions before 2021.1 are affected by this XSS vulnerability, potentially impacting systems where this software is in use.
Exploitation Mechanism
Remote authenticated users can exploit this vulnerability by injecting specially crafted scripts in input fields within Administrative Reports, which are then executed when viewed by other users or administrators.
Mitigation and Prevention
To safeguard systems from CVE-2021-28047 and similar vulnerabilities, immediate actions and long-term security measures are essential.
Immediate Steps to Take
Organizations using Devolutions Remote Desktop Manager should update to version 2021.1 or newer to mitigate this vulnerability. Ensure users are aware of phishing attempts that could leverage XSS attacks.
Long-Term Security Practices
Implement strict input validation in applications to prevent XSS attacks. Regularly educate users on safe browsing practices and the risks associated with executing scripts from untrusted sources.
Patching and Updates
Stay informed about security advisories from Devolutions and promptly install patches or updates to mitigate emerging vulnerabilities.