#VU124129 Insecure storage of sensitive information in ScreenConnect - CVE-2026-3564
Published: March 19, 2026
Vulnerability identifier: #VU124129
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-3564
CWE-ID: CWE-922
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
ScreenConnect
ScreenConnect
Software vendor:
ConnectWise
ConnectWise
Description
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to software stores unique machine keys per instance within server configuration files. A local user can extract such key and misuse it for session authentication
Remediation
Install updates from vendor's website.