ScreenConnect — Connectwise Screenconnect Vulnerability
CVE-2024-1709
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.
EPSS: 0.944 (100.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Connectwise Screenconnect — versions 0
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
- W01fh4cker/ScreenConnect-AuthBypass-RCE
- AMRICHASFUCK/Mass-CVE-2024-1709
- HussainFathy/CVE-2024-1709
- tdawg506/ScreenConnect-CVE-2024-1709-Exploit
- cjybao/CVE-2024-1709-and-CVE-2024-1708
- sxyrxyy/CVE-2024-1709-ConnectWise-ScreenConnect-Authentication-Bypass
- AhmedMansour93/Event-ID-229-Rule-Name-SOC262-CVE-2024-1709-
- rapid7/metasploit-framework
- GuiMatosInfra/explorer2sectool
- Juan921030/sploitscan
References
- www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-…
- www.huntress.com/blog/vulnerability-reproduced-immediately-patch-screenconnect-…
- www.huntress.com/blog/detection-guidance-for-connectwise-cwe-288-2
- www.bleepingcomputer.com/news/security/connectwise-urges-screenconnect-admins-t…
- github.com/watchtowrlabs/connectwise-screenconnect_auth-bypass-add-user-poc
- github.com/rapid7/metasploit-framework/pull/18870
- www.horizon3.ai/attack-research/red-team/connectwise-screenconnect-auth-bypass-…
- techcrunch.com/2024/02/21/researchers-warn-high-risk-connectwise-flaw-under-att…
- www.securityweek.com/connectwise-confirms-screenconnect-flaw-under-active-explo…
- www.huntress.com/blog/a-catastrophe-for-control-understanding-the-screenconnect…
Frequently asked questions
- What is CVE-2024-1709?
- CVE-2024-1709 is a critical-severity vulnerability in Connectwise Screenconnect, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 10.0/10. Published 2024-02-21.
- How severe is CVE-2024-1709?
- Critical severity. CVSS v3 base score is 10.0 out of 10.
- Is CVE-2024-1709 known to be exploited?
- Yes. CVE-2024-1709 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-02-22), indicating it is being actively exploited. 33 public proof-of-concept repositories are indexed.