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CVE-2024-1709Authentication bypass using an alternate path or channel
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.
10.0 CRITICALEPSS 99.98%⚡ Known Exploited (CISA KEV)NVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 10.0 | CRITICAL | 3.1cisa-cg (CNA) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
CISA required action
⚡ Known exploited · remediation due Feb 29, 2024
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Details
- CVE ID
- CVE-2024-1709
- Status
- Analyzed
- Assigner (CNA)
- cisa-cg
- Published
- Feb 21, 2024
- Last modified
- 2026-06-17 07:04 UTC
- Weaknesses
- CWE-288 · Authentication bypass using an alternate path or channel
Affected Products
As published by the CNA in the CVE record.
ConnectWiseScreenConnect1 version range
- through 23.9.7
References
- github.com https://github.com/rapid7/metasploit-framework/pull/18870
- github.com https://github.com/watchtowrlabs/connectwise-screenconnect_auth-bypass-add-user-poc
- techcrunch.com https://techcrunch.com/2024/02/21/researchers-warn-high-risk-connectwise-flaw-under-attack-is-embarrassingly-easy-to-exploit/
- bleepingcomputer.com https://www.bleepingcomputer.com/news/security/connectwise-urges-screenconnect-admins-to-patch-critical-rce-flaw/
- connectwise.com https://www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.9.8
- horizon3.ai https://www.horizon3.ai/attack-research/red-team/connectwise-screenconnect-auth-bypass-deep-dive/
- huntress.com https://www.huntress.com/blog/a-catastrophe-for-control-understanding-the-screenconnect-authentication-bypass
- huntress.com https://www.huntress.com/blog/detection-guidance-for-connectwise-cwe-288-2
- huntress.com https://www.huntress.com/blog/vulnerability-reproduced-immediately-patch-screenconnect-23-9-8
- securityweek.com https://www.securityweek.com/connectwise-confirms-screenconnect-flaw-under-active-exploitation/
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-1709