ConnectWise · ScreenConnect
CVE-2024-1709
ConnectWise ScreenConnect Authentication Bypass Vulnerability
CISA KEV record
- CISA date added
- 2024-02-22
- CISA due date
- 2024-02-29
- Known ransomware use
- Known
NVD risk context
10.0 CRITICAL
CVSS is a technical severity score. CISA’s KEV status remains the evidence that this vulnerability is known to be exploited.
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.
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
NVD reference index
Vendor and remediation references
NVD has tagged these sources as vendor advisories, patches, mitigations, or release notes.
- https://github.com/rapid7/metasploit-framework/pull/18870 ↗
- https://www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.9.8 ↗
Other NVD references (9)
- 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.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://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-1709 ↗
MITRE CWE context
CWE classification
The product requires authentication, but the product has an alternate path or channel that does not require authentication.
View official MITRE CWE details ↗NVD record timing
NVD record timeline
These dates describe NVD’s record, not CISA’s KEV addition or remediation due date.
- NVD published
- Feb 21, 2024, 04:15 PM UTC When NVD first published this CVE record.
- NVD last updated
- Jun 17, 2026, 07:04 AM UTC When NVD last changed its analysis or record data.
Advanced: view the technical CVSS vector
This standardized code is intended for security tools and technical analysts. The plain-language risk summary above explains its main points.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CISA notes
https://www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.9.8; https://nvd.nist.gov/vuln/detail/CVE-2024-1709