{"version":"https://jsonfeed.org/version/1.1","title":"Patchfirst: ConnectWise vulnerabilities","home_page_url":"https://patchfirst.co/vendor/connectwise/","feed_url":"https://patchfirst.co/feed/vendor/connectwise.json","description":"New and newly exploited ConnectWise CVEs, with CISA KEV, EPSS and ATT&CK context. Newest 50 by publication or KEV listing.","language":"en-GB","items":[{"id":"CVE-2026-84869#kev","url":"https://patchfirst.co/cve/CVE-2026-84869/","title":"[KEV] CVE-2026-84869: ConnectWise ScreenConnect Improper Privilege Management and Missing Authorization Vulnerability","content_text":"ConnectWise · ScreenConnect. In CISA KEV since 2026-09-11. ENISA EUVD lists it as exploited. EPSS 0.9% (higher than 60.4% of CVEs). CVSS 9.9 CRITICAL. ATT&CK: T1078 Valid Accounts; T1059 Command and Scripting Interpreter; T1105 Ingress Tool Transfer. Priority 67.0 of 100.","summary":"ConnectWise ScreenConnect Improper Privilege Management and Missing Authorization Vulnerability","date_published":"2026-09-11T00:00:00.000Z","date_modified":"2026-09-12T04:16:42.000Z","tags":["kev","T1078","T1059","T1105"],"_patchfirst":{"reason":"kev","priority":67,"kev":{"dateAdded":"2026-09-11","ransomware":false},"epss":{"score":0.00924,"percentile":0.60395},"cvss":{"score":9.9,"severity":"CRITICAL","version":"3.1"},"vendor":"ConnectWise","product":"ScreenConnect","techniqueIds":["T1078","T1059","T1105"],"reportCount":0,"hasPublicExploit":false,"euvdExploited":true}},{"id":"CVE-2024-1708#kev","url":"https://patchfirst.co/cve/CVE-2024-1708/","title":"[KEV] CVE-2024-1708: ConnectWise ScreenConnect Path Traversal Vulnerability","content_text":"ConnectWise · ScreenConnect. In CISA KEV since 2026-04-28, known ransomware use. ENISA EUVD lists it as exploited. EPSS 95.4% (higher than 99.87% of CVEs). CVSS 8.4 HIGH. Public exploit code exists. ATT&CK: T1059 Command and Scripting Interpreter. Priority 78.9 of 100.","summary":"ConnectWise ScreenConnect Path Traversal Vulnerability","date_published":"2026-04-28T00:00:00.000Z","date_modified":"2026-06-17T07:04:50.000Z","tags":["kev","ransomware","public-exploit","T1059"],"_patchfirst":{"reason":"kev","priority":78.9,"kev":{"dateAdded":"2026-04-28","ransomware":true},"epss":{"score":0.95436,"percentile":0.99869},"cvss":{"score":8.4,"severity":"HIGH","version":"3.1"},"vendor":"ConnectWise","product":"ScreenConnect","techniqueIds":["T1059"],"reportCount":0,"hasPublicExploit":true,"euvdExploited":true}},{"id":"CVE-2026-3564","url":"https://patchfirst.co/cve/CVE-2026-3564/","title":"CVE-2026-3564: ScreenConnect Instance Level Cryptographic Material Exposure","content_text":"ConnectWise · ScreenConnect. Not in CISA KEV. EPSS 0.4% (higher than 30.7% of CVEs). CVSS 9.0 CRITICAL. Priority 55.2 of 100.","summary":"ScreenConnect Instance Level Cryptographic Material Exposure","date_published":"2026-03-17T00:00:00.000Z","date_modified":"2026-07-09T17:20:18.000Z","tags":[],"_patchfirst":{"reason":"published","priority":55.2,"kev":null,"epss":{"score":0.00368,"percentile":0.30712},"cvss":{"score":9,"severity":"CRITICAL","version":"3.1"},"vendor":"ConnectWise","product":"ScreenConnect","techniqueIds":[],"reportCount":0,"hasPublicExploit":false,"euvdExploited":false}},{"id":"CVE-2025-3935#kev","url":"https://patchfirst.co/cve/CVE-2025-3935/","title":"[KEV] CVE-2025-3935: ConnectWise ScreenConnect Improper Authentication Vulnerability","content_text":"ConnectWise · ScreenConnect. In CISA KEV since 2025-06-02. ENISA EUVD lists it as exploited. EPSS 3.6% (higher than 89.4% of CVEs). CVSS 7.2 HIGH. ATT&CK: T1059 Command and Scripting Interpreter. Priority 60.9 of 100.","summary":"ConnectWise ScreenConnect Improper Authentication Vulnerability","date_published":"2025-06-02T00:00:00.000Z","date_modified":"2026-06-17T09:20:57.000Z","tags":["kev","T1059"],"_patchfirst":{"reason":"kev","priority":60.9,"kev":{"dateAdded":"2025-06-02","ransomware":false},"epss":{"score":0.03597,"percentile":0.89439},"cvss":{"score":7.2,"severity":"HIGH","version":"3.1"},"vendor":"ConnectWise","product":"ScreenConnect","techniqueIds":["T1059"],"reportCount":0,"hasPublicExploit":false,"euvdExploited":true}},{"id":"CVE-2024-1709#kev","url":"https://patchfirst.co/cve/CVE-2024-1709/","title":"[KEV] CVE-2024-1709: ConnectWise ScreenConnect Authentication Bypass Vulnerability","content_text":"ConnectWise · ScreenConnect. In CISA KEV since 2024-02-22, known ransomware use. ENISA EUVD lists it as exploited. EPSS >99.9% (higher than 99.98% of CVEs). CVSS 10.0 CRITICAL. Public exploit code exists. ATT&CK: T1190 Exploit Public-Facing Application; T1078 Valid Accounts. Named in 1 threat report. Priority 83.9 of 100.","summary":"ConnectWise ScreenConnect Authentication Bypass Vulnerability","date_published":"2024-02-22T00:00:00.000Z","date_modified":"2026-06-17T07:04:50.000Z","tags":["kev","ransomware","public-exploit","T1190","T1078"],"_patchfirst":{"reason":"kev","priority":83.9,"kev":{"dateAdded":"2024-02-22","ransomware":true},"epss":{"score":0.9998,"percentile":0.9998},"cvss":{"score":10,"severity":"CRITICAL","version":"3.1"},"vendor":"ConnectWise","product":"ScreenConnect","techniqueIds":["T1190","T1078"],"reportCount":1,"hasPublicExploit":true,"euvdExploited":true}}]}