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 980 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)
- 99.9% 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 2025-10-21
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. Weaponised exploit code for CVE-2024-1709 is publicly available. 6 public proof-of-concept repositories are tracked for this identifier. A ProjectDiscovery Nuclei detection template exists (http/cves/2024/CVE-2024-1709.yaml). It currently carries a trending score of 50 in the Threadlinqs vulnerability feed.
Affected products and versions
- Connectwise: Screenconnect
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
10 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.
- Healthcare Sector Ransomware Targeting and Expanding Attack Surface (Qilin, Akira, DragonForce, LockBit, The Gentlemen) — HIGH · 2026-10-09
- Multi-Stage Abuse of Legitimate Remote Access Tools (ConnectWise, N-Able, SimpleHelp, Datto RMM, GoTo) by Initial Access Brokers — HIGH · 2026-09-25
- Capita Black Basta Ransomware Incident (March 2023) — Record £14M UK ICO Fine for 6M+ Affected Individuals — HIGH · 2026-06-10
- The Remote Access Blind Spot: Acronis TRU Analysis of RMM Tool Proliferation and Abuse Risk in SMB Environments — MEDIUM · 2026-05-13
- ConnectWise ScreenConnect Path Traversal (CVE-2024-1708) Added to CISA KEV — Storm-1175 / Medusa Ransomware Active Exploitation — HIGH · 2026-04-30
- Kyber Ransomware: Post-Quantum Hybrid Encryption Operation Targeting Windows & VMware ESXi — CRITICAL · 2026-04-22
- APT35 (Charming Kitten) GCC Pre-Positioning Cyber Reconnaissance Campaign Enabling Kinetic Targeting — CRITICAL · 2026-04-09
- Storm-1175 Medusa Ransomware Zero-Day Exploitation Campaign (CVE-2026-23760, CVE-2025-10035) — CRITICAL · 2026-04-06
- Lazarus Group Medusa Ransomware — North Korean State-Backed Extortion Targeting US Healthcare and Middle East — CRITICAL · 2026-02-24
- Black Basta Ransomware: Internal Chat Leaks Expose $100M+ RaaS Operation — Conti Successor Unmasked — HIGH · 2026-02-12
Sources
Enriched from CVE.org, FIRST EPSS, CISA KEV, public proof-of-concept repositories, ProjectDiscovery Nuclei. Last verified by Threadlinqs on .
Other references
- connectwise.com
- huntress.com
- huntress.com (detection guidance for connectwise cwe 2)
- bleepingcomputer.com
- github.com
Showing 5 of 10 recorded references.