UiPath Assistant 21.4.4 will load and execute attacker controlled data from the file path supplied to the --dev-widget argument of the URI handler for uipath-assistant://. This allows an attacker to execute code on a victim's machine or capture NTLM credentials by supplying a networked or WebDAV file path.

References

• https://nvd.nist.gov/vuln/detail/CVE-2021-44041
• https://docs.uipath.com/robot/docs/release-notes-2021-10-4
• https://docs.uipath.com/robot/docs/uipath-assistant