Code Injection in ScreenConnect - CVE-2025-3935
Published: May 30, 2025
Vulnerability identifier: #VU110002
CSH Severity: Critical
CVSS v4.0: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red
CVE-ID: CVE-2025-3935
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: ConnectWise
Affected software:
ScreenConnect
ScreenConnect
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation when handling ViewState data. A remote attacker can send a specially crafted HTTP request and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2025-3935
Install updates from vendor's website.