Skip to main content
← All vulnerabilities
CVE-2024-1709

Authentication bypass using an alternate path or channel

Affects self-hosted (on-premise) ScreenConnect instances running version 23.9.7 and earlier. Fixed in ScreenConnect 23.9.8.

Published
Last modified
published
Listed in CISA KEV
Actively exploited
Fix
Fixed in 23.9.8
None on Exploit-DB, Metasploit or GitHub

Summary

ConnectWise ScreenConnect, a remote access and support software product, is affected by this vulnerability. An attacker could potentially bypass authentication and gain direct access to confidential information or critical systems.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original 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.

Timeline

  1. CVE published
  2. Added to CISA KEV

    CISA has evidence of exploitation in the wild

  3. CISA remediation deadline

    Due date for US federal agencies to patch

  4. Record last updated
  5. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • ConnectWise ScreenConnect

    through 23.9.7

References 10

connectwise.com

huntress.com

bleepingcomputer.com

GitHub · watchtowrlabs/connectwise-screenconnect_auth-bypass-add-user-poc

GitHub · rapid7/metasploit-framework

horizon3.ai

techcrunch.com

securityweek.com

FAQ

Questions about CVE-2024-1709

What does this mean?

A flaw lets authentication be bypassed through an alternate path, so a bad actor could act as a system admin, create admin accounts, delete other users, and take over the ScreenConnect instance.Source: connectwise.com

Am I affected, and how do I check?

The listed range covers ScreenConnect 23.9.7 and all earlier versions, limited to self-hosted (on-premise) instances. To check a server, look up its installed ScreenConnect version and compare it with 23.9.7.Source: connectwise.com

What should I do about it?

Update self-hosted ScreenConnect servers to version 23.9.8, which the vendor says should be applied immediately. No workaround is listed.Source: connectwise.com

Is it being exploited?

Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2024-02-22, which means it has evidence of attacks. No public exploit code is tracked.Source: cisa.gov, cve.now feed data