# CVE-2024-1709: Authentication bypass using an alternate path or channel

> CVE-2024-1709: Authentication bypass using an alternate path or channel. CVSS 10.0 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2024-1709
Last updated: 2025-10-21T23:05:24Z

- Published: 2024-02-21 15:36 UTC · Updated: 2025-10-21 23:05 UTC · Assigner: cisa-cg
- CVSS: 10.0 (CVSS 3.1) · Severity: Critical · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- EPSS: 100.0%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2024-02-22, federal due date 2024-02-29, ransomware use: Known
- CWE: 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.

## CISA required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

## Affected vendors and products

- connectwise: screenconnect
- ConnectWise: ScreenConnect

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2024-1709)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2024-1709)
- [https://github.com/rapid7/metasploit-framework/pull/18870](https://github.com/rapid7/metasploit-framework/pull/18870)
- [https://github.com/watchtowrlabs/connectwise-screenconnect\_auth-bypass-add-user-poc](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://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.bleepingcomputer.com/news/security/connectwise-urges-screenconnect-admins-to-patch-critical-rce-flaw/)
- [https://www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.9.8](https://www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.9.8)
- [https://www.horizon3.ai/attack-research/red-team/connectwise-screenconnect-auth-bypass-deep-dive/](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/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/detection-guidance-for-connectwise-cwe-288-2)
- [https://www.huntress.com/blog/vulnerability-reproduced-immediately-patch-screenconnect-23-9-8](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.securityweek.com/connectwise-confirms-screenconnect-flaw-under-active-exploitation/)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2024-1709 · Markdown: https://rewindex.com/cve/CVE-2024-1709.md · JSON: https://rewindex.com/api/v1/cves/CVE-2024-1709 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:09:14.338Z