CVE-2024-1709
ConnectWise ScreenConnect Authentication Bypass Vulnerability
ConnectWise ScreenConnectApplications & CMS
CVSS
10.0CriticalExploit odds (EPSS)>99.9%Chance of exploitation activity in the next 30 days, higher than 99.9% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
CISA required actionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA KEV
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Timeline
- 19 Feb 2024Exploit code publicMetasploit
- 21 Feb 2024, 15:36 UTCPublishedCVE List
- 22 Feb 2024Added to CISA KEVCISA KEV
Public exploit code and templates 2
- Exploit moduleConnectWise ScreenConnect Unauthenticated Remote Code Execution 19 Feb 2024Metasploit
- Scanner templateConnectWise ScreenConnect 23.9.7 - Authentication BypassNuclei
Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.
Description
ConnectWise ScreenConnect contains an authentication bypass vulnerability that allows an attacker with network access to the management interface to create a new, administrator-level account on affected devices.
Text from CVE List
Affected versions 1
- ScreenConnectaffected: all versions through 23.9.7CVE List
References 12
- connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.9.8Advisoryvia CVE List
- bleepingcomputer.com/news/security/connectwise-urges-screenconnect-admins-to-patch-critical-rce-flaw/Advisoryvia CVE List
- securityweek.com/connectwise-confirms-screenconnect-flaw-under-active-exploitation/Advisoryvia CVE List
- github.com/rapid7/metasploit-framework/pull/18870Exploitvia CVE List
- nvd.nist.gov/vuln/detail/CVE-2024-1709Referencevia CISA KEV
- huntress.com/blog/vulnerability-reproduced-immediately-patch-screenconnect-23-9-8Referencevia CVE List
- huntress.com/blog/detection-guidance-for-connectwise-cwe-288-2Referencevia CVE List
- github.com/watchtowrlabs/connectwise-screenconnect_auth-bypass-add-user-pocReferencevia CVE List
- horizon3.ai/attack-research/red-team/connectwise-screenconnect-auth-bypass-deep-dive/Referencevia CVE List
- techcrunch.com/2024/02/21/researchers-warn-high-risk-connectwise-flaw-under-attack-is-embarrassingly-easy-to-exploit/Referencevia CVE List
- huntress.com/blog/a-catastrophe-for-control-understanding-the-screenconnect-authentication-bypassReferencevia CVE List
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-1709Referencevia CVE List