CVE-2021-40854
AnyDesk before 6.2.6 and 6.3.x before 6.3.3 allows a local user to obtain administrator...
AnyDesk before 6.2.6 and 6.3.x before 6.3.3 allows a local user to obtain administrator privileges by using the Open Chat Log feature to launch a privileged Notepad process that can launch other applications.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
AnyDesk before 6.2.6 and 6.3.x before 6.3.3 allows a local user to obtain administrator privileges by using the Open Chat Log feature to launch a privileged Notepad process that can launch other applications.
- Record
CVE-2021-40854- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-269
- Updated
- 2026-11-02
CVE List No score
AnyDesk before 6.2.6 and 6.3.x before 6.3.3 allows a local user to obtain administrator privileges by using the Open Chat Log feature to launch a privileged Notepad process that can launch other applications.
- Record
CVE-2021-40854- Updated
- 2026-11-02
EUVDEUVD-2021-28010 No score
AnyDesk before 6.2.6 and 6.3.x before 6.3.3 allows a local user to obtain administrator privileges by using the Open Chat Log feature to launch a privileged Notepad process that can launch other applications.
- Record
EUVD-2021-28010- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q7c6-26j2-f5r8 No score
AnyDesk before 6.2.6 and 6.3.x before 6.3.3 allows a local user to obtain administrator...
AnyDesk before 6.2.6 and 6.3.x before 6.3.3 allows a local user to obtain administrator privileges by using the Open Chat Log feature to launch a privileged Notepad process that can launch other applications.
- Record
GHSA-q7c6-26j2-f5r8- Weakness
- CWE-269
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-40854 is a high vulnerability (CVSS 7.8) in Anydesk, published October 14, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 10th percentile. No source names a fixed version.