CVE-2024-1709

Summary

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.

Affected Software

Weaknesses

• CWE-288: CWE-288 Authentication bypass using an alternate path or channel

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: active
  • Automatable: yes
  • Technical Impact: total

Additional References

• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-1709

CVE Program Container

Additional 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

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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