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CVE-2024-1709

Authentication bypass using an alternate path or channel

Published: Feb 21, 2024Updated: Feb 26, 2026 Sources: CVE List NVD BDUCWE-288
NVD MITRE
10.0CVSSCRITICAL
EPSS Score
100.0%
Top 0.0%
CISA KEV
Active Exploitation
Since Feb 22, 2024
Exploits
3 Known
Remediation
Patch Available
Am I actually vulnerable?1 Nuclei template available — see how to check your systems. How to verify

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:CC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-288NVD-CWE-Other

Affected Products

ScreenConnectConnectWise
SaaS
Enterprise Software / itsm-monitoring
ConnectWise ScreenConnectConnectWise, LLC.
Mixed
Enterprise Software / itsm-monitoring
screenconnectconnectwise
SaaS
Enterprise Software / itsm-monitoring
connectwisecommercialEnterprise Softwareaka automate, screenconnect, control
connectwise, llc.commercialUSEnterprise Software

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Feb 22, 2024
Remediation due:Feb 29, 2024
Ransomware:Known ransomware use

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

3 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

References

https://www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.9.8
connectwise.com
https://www.huntress.com/blog/vulnerability-reproduced-immediately-patch-screenconnect-23-9-8
huntress.com
https://www.huntress.com/blog/detection-guidance-for-connectwise-cwe-288-2
huntress.com
and 9 more references View all →

Timeline

Published
Feb 21, 2024
Added to CISA KEV
Feb 22, 2024
Last Updated
Feb 26, 2026

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