SB2025121154 - Insecure update installation in ConnectWise ScreenConnect



SB2025121154 - Insecure update installation in ConnectWise ScreenConnect

Published: December 11, 2025

Security Bulletin ID SB2025121154
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Download of code without integrity check (CVE-ID: CVE-2025-14265)

The vulnerability allows a remote attacker to compromise the affected system

The vulnerability exists due to software does not perform software integrity check when downloading updates. A remote attacker with ability to perform man-in-the-middle (MitM) attack can trick the victim into installing a malicious software update and compromise the affected system.


Remediation

Install update from vendor's website.