CVE-2021-44426 Explained : Impact and Mitigation
Learn about CVE-2021-44426, a vulnerability in AnyDesk allowing unauthorized file uploads to victim machines. Find out the impact, affected versions, exploitation method, and mitigation steps.
AnyDesk before 6.2.6 and 6.3.x before 6.3.5 allows arbitrary file upload to a victim's local directory without approval if connected to the same remote machine. Learn more about the impact, technical details, and mitigation steps.
Understanding CVE-2021-44426
An issue in AnyDesk allows unauthorized file uploads to a victim's directory when connected remotely.
What is CVE-2021-44426?
AnyDesk versions prior to 6.2.6 and 6.3.x before 6.3.5 enable malicious actors to upload files to a victim's local directory without their consent while connected remotely.
The Impact of CVE-2021-44426
The vulnerability permits attackers to compromise victim machines by uploading files without explicit permission, posing a significant security risk.
Technical Details of CVE-2021-44426
Discover more about the technical aspects of the CVE.
Vulnerability Description
AnyDesk pre-6.2.6 and 6.3.x pre-6.3.5 allows file uploads to a victim's local directory without consent during a remote session.
Affected Systems and Versions
- AnyDesk versions before 6.2.6 and 6.3.x before 6.3.5
Exploitation Mechanism
Attackers need remote access through AnyDesk to the same machine as the victim to carry out unauthorized file uploads.
Mitigation and Prevention
Explore the steps to mitigate the CVE's risks.
Immediate Steps to Take
- Update AnyDesk to version 6.2.6 or 6.3.5 to prevent unauthorized file uploads.
- Implement network segmentation to restrict access.
- Monitor file uploads and permissions closely.
Long-Term Security Practices
- Educate users on safe remote connection practices.
- Employ endpoint security solutions to detect and prevent unauthorized activities.
Patching and Updates
- Regularly update AnyDesk to the latest version to patch known vulnerabilities and enhance security.