CVE-2024-1709

CRITICAL CISA KEV
Published Feb 21, 2024 Modified Feb 26, 2026 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.

CVSS v3.1 Score

10.0
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CISA Known Exploited Vulnerability

This vulnerability is actively exploited in the wild.

Added: Feb 22, 2024 Remediation due: Feb 29, 2024 Known ransomware use

Weakness Type (CWE)

CWE-288 CWE-288

Affected Products

Vendor Product
connectwise screenconnect

References

Other References

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.horizon3.ai/attack-research/red-team/connectwise-screenconnect-auth-bypass-deep-dive/ 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://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.horizon3.ai/attack-research/red-team/connectwise-screenconnect-auth-bypass-deep-dive/ https://www.huntress.com/blog/vulnerability-reproduced-immediately-patch-screenconnect-23-9-8 https://www.securityweek.com/connectwise-confirms-screenconnect-flaw-under-active-exploitation/

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 10.0 (CRITICAL). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.
How severe is CVE-2024-1709? +
CVE-2024-1709 has a CVSS v3.1 score of 10.0 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.
What products are affected by CVE-2024-1709? +
CVE-2024-1709 affects products from connectwise, specifically: screenconnect. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-1709? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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