CVE-2024-1709

Authentication bypass using an alternate path or channel

Critical 10.0
Exploited: added to CISA KEV 22 Feb 2024
Used in ransomware campaigns

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.

Key facts

Published: 21 Feb 2024
Last changed: 21 Oct 2025
Assigned by: cisa-cg
KEV added: 22 Feb 2024
KEV fix due: 29 Feb 2024
Used in ransomware: Yes, according to CISA
EPSS: 99.983% likely to be exploited in the next 30 days, higher than 99.982% of CVEs (scores for 15 Nov 2026)
SSVC (CISA): Exploitation: active; Automatable: yes; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

10.0CVSS 3.1, Criticalfrom the CNA (cisa-cg)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

What to do

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

Vendor	Product	Versions
ConnectWise	ScreenConnect	Default status: unaffected 0 up to and including 23.9.7 (affected); at 23.9.8 unaffected