{"cve":"CVE-2021-44426","nvd":{"published":"2022-09-12T21:15:09.127","modified":"2026-06-17T04:12:19.717","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-434"],"references":["https://anydesk.com/en/downloads/windows","https://argus-sec.com/discovering-tunneling-service-security-flaws-in-anydesk-remote-application/","https://anydesk.com/en/downloads/windows","https://argus-sec.com/discovering-tunneling-service-security-flaws-in-anydesk-remote-application/"],"products":["anydesk:anydesk"],"source":"nvd","synced_at":"2026-10-19T21:35:14.992143698+00:00"},"epss":{"cve":"CVE-2021-44426","score":0.01157,"percentile":0.67067,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}