High severity8.8NVD Advisory· Published Sep 12, 2022· Updated Jun 17, 2026
CVE-2021-44426
CVE-2021-44426
Description
An issue was discovered in AnyDesk before 6.2.6 and 6.3.x before 6.3.5. An upload of an arbitrary file to a victim's local ~/Downloads/ directory is possible if the victim is using the AnyDesk Windows client to connect to a remote machine, if an attacker is also connected remotely with AnyDesk to the same remote machine. The upload is done without any approval or action taken by the victim.
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Affected products
3Patches
Vulnerability mechanics
References
2- argus-sec.com/discovering-tunneling-service-security-flaws-in-anydesk-remote-application/nvdExploitThird Party Advisory
- anydesk.com/en/downloads/windowsnvdProductVendor Advisory
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