Threat Intelligence / CVE / CVE-2024-1709

CVE-2024-1709 — Connectwise Screenconnect

CISA KEVRansomware
CVSS v3.1 10 (CRITICAL) · EPSS 94.3% (higher than 99.9% of all scored CVEs) · Priority 10/10 · Published 2024-02-21

As of 2026-02-26, CVE-2024-1709 is a CRITICAL-severity vulnerability in Connectwise Screenconnect, CVSS v3.1 10, EPSS 94.3% (99.9th percentile). It is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-02-22), with a US federal remediation deadline of 2024-02-29, and CISA links it to known ransomware campaigns. Threadlinqs Intelligence links 6 tracked threat campaigns to CVE-2024-1709, most recently “The Remote Access Blind Spot: Acronis TRU Analysis of RMM Tool Proliferation and Abuse Risk in SMB Environments”.

Last updated: 2026-02-26

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.

The record classifies CVE-2024-1709 under weakness classes CWE-288, NVD-CWE-Other. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 934 days ago.

Severity and exploitation probability

CVSS v3.1 base score
10 — CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS (FIRST)
94.3% probability of exploitation in the next 30 days, higher than 99.9% of all scored CVEs
CISA KEV
Listed since 2024-02-22, federal remediation deadline 2024-02-29 — used in known ransomware campaigns
Threadlinqs priority
10/10 — CISA lists it as used in ransomware, which Threadlinqs scores at the maximum
Published
2024-02-21, last modified 2026-02-26

Is CVE-2024-1709 being exploited?

CISA added CVE-2024-1709 to the Known Exploited Vulnerabilities catalog on 2024-02-22, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2024-02-29 under BOD 22-01. CISA flags the vulnerability as one used in known ransomware campaigns. It currently carries a trending score of 40 in the Threadlinqs vulnerability feed.

Affected products and versions

How to fix CVE-2024-1709

The record marks a vendor fix as available for CVE-2024-1709. Patch reference: https://github.com/rapid7/metasploit-framework/pull/18870. Vendor advisory: https://github.com/rapid7/metasploit-framework/pull/18870. Because CVE-2024-1709 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2024-02-29. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.

Threat activity tracking CVE-2024-1709

6 tracked threats in the Threadlinqs corpus reference CVE-2024-1709, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Seeded from nvd and not yet processed by the Threadlinqs enrichment pipeline, so blank CVSS, EPSS or KEV fields above mean NOT MEASURED rather than measured-absent.

Full detection coverage & IOCs for threats exploiting CVE-2024-1709 are available via the Threadlinqs MCP server (Purple tier). View plans →

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