CVE-2024-1709

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.

Weakness

A product requires authentication, but the product has an alternate path or channel that does not require authentication.

Affected Software

Potential Mitigations

Related Attack Patterns

• https://cwe.mitre.org/data/definitions/127.html
• https://cwe.mitre.org/data/definitions/665.html

References

• https://github.com/rapid7/metasploit-framework/pull/18870
• https://github.com/watchtowrlabs/connectwise-screenconnect_auth-bypass-add-user-poc
• https://techcrunch.com/2024/02/21/researchers-warn-high-risk-connectwise-flaw-under-attack-is-embarrassingly-easy-to-exploit/
• https://www.bleepingcomputer.com/news/security/connectwise-urges-screenconnect-admins-to-patch-critical-rce-flaw/
• https://www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.9.8
• https://www.horizon3.ai/attack-research/red-team/connectwise-screenconnect-auth-bypass-deep-dive/
• https://www.huntress.com/blog/a-catastrophe-for-control-understanding-the-screenconnect-authentication-bypass
• https://www.huntress.com/blog/detection-guidance-for-connectwise-cwe-288-2
• https://www.huntress.com/blog/vulnerability-reproduced-immediately-patch-screenconnect-23-9-8
• https://www.securityweek.com/connectwise-confirms-screenconnect-flaw-under-active-exploitation/
• https://github.com/rapid7/metasploit-framework/pull/18870
• https://github.com/watchtowrlabs/connectwise-screenconnect_auth-bypass-add-user-poc
• https://techcrunch.com/2024/02/21/researchers-warn-high-risk-connectwise-flaw-under-attack-is-embarrassingly-easy-to-exploit/
• https://www.bleepingcomputer.com/news/security/connectwise-urges-screenconnect-admins-to-patch-critical-rce-flaw/
• https://www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.9.8
• https://www.horizon3.ai/attack-research/red-team/connectwise-screenconnect-auth-bypass-deep-dive/
• https://www.huntress.com/blog/a-catastrophe-for-control-understanding-the-screenconnect-authentication-bypass
• https://www.huntress.com/blog/detection-guidance-for-connectwise-cwe-288-2
• https://www.huntress.com/blog/vulnerability-reproduced-immediately-patch-screenconnect-23-9-8
• https://www.securityweek.com/connectwise-confirms-screenconnect-flaw-under-active-exploitation/