Vendor

ConnectWise

4 of 5 ConnectWise CVEs in Patchfirst (80%) are in of vulnerabilities exploited in the wild, 2 of them used by ransomware.

CVEs: 5
In CISA KEV: 480%
Known ransomware use: 2
Median days to KEV: 20; from publication
Latest KEV listing: 11 Sep 2026

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Products

In KEVOther CVEs

ProductKEVCVEs
ScreenConnect In KEV: 4 CVEs: 5

Top ATT&CK techniques

What attackers do with ConnectWise CVEs

TechniqueCVEs
T1059Command and Scripting Interpreter CVEs: 3
T1078Valid Accounts CVEs: 2
T1190Exploit Public-Facing Application CVEs: 1
T1105Ingress Tool Transfer CVEs: 1

Open in ATT&CK Navigator

A layer for MITRE’s ATT&CK Navigator: techniques scored by the highest Patchfirst priority among their CVEs, neutral to red, with the CVE ids in each comment. “Open in Navigator” loads https://patchfirst.co/navigator/vendor/connectwise.json. Or download it and in Navigator choose Open Existing Layer → Upload from local.

Counts are ConnectWise CVEs linked to the technique. Each link’s provenance is on the CVE page.

ConnectWise CVEs

5 CVEs, by priority

CVE-2024-1709ConnectWise ScreenConnect Authentication Bypass Vulnerability
ConnectWise · ScreenConnectKEVRansomwarePublic exploitCritical · 10.0T1190Exploit Public-Facing Application T1078Valid Accounts1 report
>99.9%Top 0.02%
83.9priority
CVE-2024-1708ConnectWise ScreenConnect Path Traversal Vulnerability
ConnectWise · ScreenConnectKEVRansomwarePublic exploitHigh · 8.4T1059Command and Scripting Interpreter
95.4%Top 0.13%
78.9priority
CVE-2026-84869ConnectWise ScreenConnect Improper Privilege Management and Missing Authorization Vulnerability
ConnectWise · ScreenConnectKEVCritical · 9.9T1078Valid Accounts T1059Command and Scripting Interpreter+1 more
0.9%Top 40%
67.0priority
CVE-2025-3935ConnectWise ScreenConnect Improper Authentication Vulnerability
ConnectWise · ScreenConnectKEVHigh · 7.2T1059Command and Scripting Interpreter
3.6%Top 11%
60.9priority
CVE-2026-3564ScreenConnect Instance Level Cryptographic Material Exposure
ConnectWise · ScreenConnectCritical · 9.0
0.4%Top 69%
55.2priority