{"id":"CVE-2024-1709","aliases":["EUVD-2024-17443","GHSA-cg3j-75xh-7fv3"],"status":"published","title":"Authentication bypass using an alternate path or channel","description":"ConnectWise ScreenConnect 23.9.7 and prior are affected by an Authentication Bypass Using an Alternate Path or Channel\n\n vulnerability, which may allow an attacker direct access to confidential information or \n\ncritical systems.","severity":{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.9998,"percentile":0.9998,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":true,"fix_available":false},"cwes":["CWE-288"],"published":"2024-02-21T15:36:03Z","modified":"2026-06-17T07:04:50Z","kev":{"date_added":"2024-02-22","due_date":"2024-02-29","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are 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ScreenConnect 23.9.7 - Authentication Bypass","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-1709.yaml"}],"products":[{"vendor":"connectwise","product":"screenconnect"}],"references":[{"url":"https://www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.9.8","tags":["x_transferred","Vendor Advisory"]},{"url":"https://www.huntress.com/blog/vulnerability-reproduced-immediately-patch-screenconnect-23-9-8","tags":["x_transferred","Third Party Advisory"]},{"url":"https://www.huntress.com/blog/detection-guidance-for-connectwise-cwe-288-2","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.bleepingcomputer.com/news/security/connectwise-urges-screenconnect-admins-to-patch-critical-rce-flaw/","tags":["x_transferred","Press/Media Coverage","Third Party Advisory"]},{"url":"https://github.com/watchtowrlabs/connectwise-screenconnect_auth-bypass-add-user-poc","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://github.com/rapid7/metasploit-framework/pull/18870","tags":["x_transferred","Issue Tracking","Patch","Third Party Advisory"]},{"url":"https://www.horizon3.ai/attack-research/red-team/connectwise-screenconnect-auth-bypass-deep-dive/","tags":["x_transferred","Third Party Advisory"]},{"url":"https://techcrunch.com/2024/02/21/researchers-warn-high-risk-connectwise-flaw-under-attack-is-embarrassingly-easy-to-exploit/","tags":["x_transferred","Press/Media Coverage","Third Party Advisory"]},{"url":"https://www.securityweek.com/connectwise-confirms-screenconnect-flaw-under-active-exploitation/","tags":["x_transferred","Press/Media Coverage","Third Party Advisory"]},{"url":"https://www.huntress.com/blog/a-catastrophe-for-control-understanding-the-screenconnect-authentication-bypass","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-1709","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-1709"},{"url":"https://techcrunch.com/2024/02/21/researchers-warn-high-risk-connectwise-flaw-under-attack-is-embarrassingly-easy-to-exploit"},{"url":"https://www.bleepingcomputer.com/news/security/connectwise-urges-screenconnect-admins-to-patch-critical-rce-flaw"},{"url":"https://www.horizon3.ai/attack-research/red-team/connectwise-screenconnect-auth-bypass-deep-dive"},{"url":"https://www.securityweek.com/connectwise-confirms-screenconnect-flaw-under-active-exploitation"},{"url":"https://github.com/advisories/GHSA-cg3j-75xh-7fv3"}],"sources":{"cve":[{"id":"CVE-2024-1709","title":"Authentication bypass 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systems.","status":"published","published":"2024-02-21T15:36:03Z","modified":"2025-10-21T23:05:24Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"exploited_since":"2024-02-22","updated_at":"2026-11-02T20:31:28.525814Z"}],"ghsa":[{"id":"GHSA-cg3j-75xh-7fv3","title":"ConnectWise ScreenConnect 23.9.7 and prior are affected by an Authentication Bypass Using an...","description":"ConnectWise ScreenConnect 23.9.7 and prior are affected by an Authentication Bypass Using an Alternate Path or Channel\n\n vulnerability, which may allow an attacker direct access to confidential information or \n\ncritical systems.\n\n","status":"published","published":"2024-02-21T18:31:01Z","modified":"2026-03-21T05:29:22Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-288"],"updated_at":"2026-11-02T15:06:45.356317Z"}],"kev":[{"id":"CVE-2024-1709","title":"ConnectWise 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systems.","status":"published","published":"2024-02-21T16:15:50.42Z","modified":"2026-06-17T07:04:50.557Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-288"],"updated_at":"2026-11-02T14:09:37.655131Z"}]}}