CVE-2024-1709

Published: Feb 21, 2024

Modified: Oct 21, 2025

PUBLISHED

CVSS v3.1

10.0

CRITICAL

Description

ConnectWise ScreenConnect 23.9.7 and prior are affected by an Authentication Bypass Using an Alternate Path or Channel vulnerability, which may allow an attacker direct access to confidential information or critical systems.

Vendor	Product	Versions
ConnectWise	ScreenConnect	affected `0 - <= 23.9.7`

Weaknesses (CWE)

CWE-288

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

References

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

https://www.huntress.com/blog/vulnerability-reproduced-immediately-patch-screenconnect-23-9-8

https://www.huntress.com/blog/detection-guidance-for-connectwise-cwe-288-2

https://www.bleepingcomputer.com/news/security/connectwise-urges-screenconnect-admins-to-patch-critical-rce-flaw/

https://github.com/watchtowrlabs/connectwise-screenconnect_auth-bypass-add-user-poc

https://github.com/rapid7/metasploit-framework/pull/18870

https://www.horizon3.ai/attack-research/red-team/connectwise-screenconnect-auth-bypass-deep-dive/

https://techcrunch.com/2024/02/21/researchers-warn-high-risk-connectwise-flaw-under-attack-is-embarrassingly-easy-to-exploit/

https://www.securityweek.com/connectwise-confirms-screenconnect-flaw-under-active-exploitation/

https://www.huntress.com/blog/a-catastrophe-for-control-understanding-the-screenconnect-authentication-bypass

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CVE-2024-1709

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References