CVEvulnerability
CVE-2024-1709
CISA Known Exploited Vulnerability
ConnectWise ScreenConnect Authentication Bypass Vulnerability — ConnectWise ScreenConnect
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.
- Added to KEV
- 2024-02-22
- Remediation due
- 2024-02-29
- Ransomware use
- Known
- Required action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Notes
- https://www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.9.8; https://nvd.nist.gov/vuln/detail/CVE-2024-1709
- Status
- Analyzed
- Published
- 2024-02-21
- Last modified
- 2026-06-17
- Assigner
- 9119a7d8-5eab-497f-8521-727c672e3725
- CVSS 3.1 (9119a7d8-5eab-497f-8521-727c672e3725)
- 10.0 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 10.0 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Weaknesses
- CWE-288
Description
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 configurations
• connectwise screenconnect (< 23.9.8)
Related
Weakness · CWE (1)
- CWE-288 Authentication Bypass Using an Alternate Path or Channel weakness
References
- https://github.com/rapid7/metasploit-framework/pull/18870 Issue Tracking, Patch, Third Party Advisory
- https://github.com/watchtowrlabs/connectwise-screenconnect_auth-bypass-add-user-poc Exploit, Third Party Advisory
- https://techcrunch.com/2024/02/21/researchers-warn-high-risk-connectwise-flaw-under-attack-is-embarrassingly-easy-to-exploit/ Press/Media Coverage, Third Party Advisory
- https://www.bleepingcomputer.com/news/security/connectwise-urges-screenconnect-admins-to-patch-critical-rce-flaw/ Press/Media Coverage, Third Party Advisory
- https://www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.9.8 Vendor Advisory
- https://www.horizon3.ai/attack-research/red-team/connectwise-screenconnect-auth-bypass-deep-dive/ Third Party Advisory
- https://www.huntress.com/blog/a-catastrophe-for-control-understanding-the-screenconnect-authentication-bypass Exploit, Third Party Advisory
- https://www.huntress.com/blog/detection-guidance-for-connectwise-cwe-288-2 Exploit, Third Party Advisory
- https://www.huntress.com/blog/vulnerability-reproduced-immediately-patch-screenconnect-23-9-8 Third Party Advisory
- https://www.securityweek.com/connectwise-confirms-screenconnect-flaw-under-active-exploitation/ Press/Media Coverage, Third Party Advisory
- https://github.com/rapid7/metasploit-framework/pull/18870 Issue Tracking, Patch, Third Party Advisory
- https://github.com/watchtowrlabs/connectwise-screenconnect_auth-bypass-add-user-poc Exploit, Third Party Advisory
- https://techcrunch.com/2024/02/21/researchers-warn-high-risk-connectwise-flaw-under-attack-is-embarrassingly-easy-to-exploit/ Press/Media Coverage, Third Party Advisory
- https://www.bleepingcomputer.com/news/security/connectwise-urges-screenconnect-admins-to-patch-critical-rce-flaw/ Press/Media Coverage, Third Party Advisory
- https://www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.9.8 Vendor Advisory
- https://www.horizon3.ai/attack-research/red-team/connectwise-screenconnect-auth-bypass-deep-dive/ Third Party Advisory
- https://www.huntress.com/blog/a-catastrophe-for-control-understanding-the-screenconnect-authentication-bypass Exploit, Third Party Advisory
- https://www.huntress.com/blog/detection-guidance-for-connectwise-cwe-288-2 Exploit, Third Party Advisory
- https://www.huntress.com/blog/vulnerability-reproduced-immediately-patch-screenconnect-23-9-8 Third Party Advisory
- https://www.securityweek.com/connectwise-confirms-screenconnect-flaw-under-active-exploitation/ Press/Media Coverage, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-1709 US Government Resource