Zero-day vulnerability in ScreenConnect

Authentication bypass using an alternate path or channel
CVE-2024-1709

Vulnerability details

Advisory: SB2024022121 - Multiple vulnerabilities in ConnectWise ScreenConnect

Vulnerable component: ScreenConnect

CVE-ID: CVE-2024-1709

CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C

CWE-ID: CWE-288 - Authentication Bypass Using an Alternate Path or Channel

Description:

The vulnerability allows a remote attacker to bypass authentication.

The vulnerability exists due to improper authentication. A remote non-authenticated attacker can bypass authentication process and gain full access to the system.

Note, the vulnerability is being actively exploited in the wild.

External links:

https://www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.9.8

About zero-day vulnerabilities

Zero-day vulnerability is an undisclosed vulnerability in software that hackers can exploit to compromise computer programs, gain unauthorized access to sensitive data, penetrate networks, etc. We consider vulnerability a zero-day when there is no solution provided from software vendor and the vulnerability is being actively exploited by malicious actors.

Zero-day candidate is a potential zero-day vulnerability in software which might have been used in targeted attacks, however there is no evidence to support this suggestion.