CVE-2024-1709

Known Exploited Public Exploit
Authentication bypass using an alternate path or channel

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.

Category

10.0
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 94.36% Top 5%
KEV Since 
Vendor Advisory connectwise.com
Affected: ConnectWise ScreenConnect
Published at:
Updated at:

References

Link Tags
https://www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.9.8 vendor advisory
https://www.huntress.com/blog/vulnerability-reproduced-immediately-patch-screenconnect-23-9-8 third party advisory
https://www.huntress.com/blog/detection-guidance-for-connectwise-cwe-288-2 third party advisory exploit
https://www.bleepingcomputer.com/news/security/connectwise-urges-screenconnect-admins-to-patch-critical-rce-flaw/ third party advisory press/media coverage
https://github.com/watchtowrlabs/connectwise-screenconnect_auth-bypass-add-user-poc third party advisory exploit
https://github.com/rapid7/metasploit-framework/pull/18870 patch third party advisory issue tracking
https://www.horizon3.ai/attack-research/red-team/connectwise-screenconnect-auth-bypass-deep-dive/ third party advisory
https://techcrunch.com/2024/02/21/researchers-warn-high-risk-connectwise-flaw-under-attack-is-embarrassingly-easy-to-exploit/ third party advisory press/media coverage
https://www.securityweek.com/connectwise-confirms-screenconnect-flaw-under-active-exploitation/ third party advisory press/media coverage
https://www.huntress.com/blog/a-catastrophe-for-control-understanding-the-screenconnect-authentication-bypass third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2024-1709?
CVE-2024-1709 has been scored as a critical severity vulnerability.
How to fix CVE-2024-1709?
To fix CVE-2024-1709, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-1709 being actively exploited in the wild?
It is confirmed that CVE-2024-1709 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~94% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-1709?
CVE-2024-1709 affects ConnectWise ScreenConnect.
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