{"id":"CVE-2026-3564","aliases":["EUVD-2026-12574","GHSA-hrc2-hchg-rq8r"],"status":"published","title":"ScreenConnect Instance Level Cryptographic Material Exposure","description":"A condition in the ScreenConnect server component may allow an actor with access to server-level cryptographic material used for authentication to obtain unauthorized access, including elevated privileges, in certain scenarios. ScreenConnect host and guest client agents are not independently affected by this CVE.","severity":{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00377,"percentile":0.3195,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-347"],"published":"2026-03-17T14:48:59Z","modified":"2026-07-09T18:16:51Z","products":[{"vendor":"connectwise","product":"screenconnect"}],"references":[{"url":"https://www.connectwise.com/company/trust/security-bulletins/2026-03-17-screenconnect-bulletin"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-3564"},{"url":"https://github.com/advisories/GHSA-hrc2-hchg-rq8r"}],"sources":{"cve":[{"id":"CVE-2026-3564","title":"ScreenConnect Instance Level Cryptographic Material Exposure","description":"A condition in the ScreenConnect server component may allow an actor with access to server-level cryptographic material used for authentication to obtain unauthorized access, including elevated privileges, in certain scenarios. ScreenConnect host and guest client agents are not independently affected by this CVE.","status":"published","published":"2026-03-17T14:48:59.94Z","modified":"2026-07-09T17:20:18.051Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T13:49:09.229322Z"}],"euvd":[{"id":"EUVD-2026-12574","description":"A condition in the ScreenConnect server component may allow an actor with access to server-level cryptographic material used for authentication to obtain unauthorized access, including elevated privileges, in certain scenarios. ScreenConnect host and guest client agents are not independently affected by this CVE.","status":"published","published":"2026-03-17T14:48:59Z","modified":"2026-07-09T17:20:18Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T18:20:03.742277Z"}],"ghsa":[{"id":"GHSA-hrc2-hchg-rq8r","title":"A condition in ScreenConnect may allow an actor with access to server-level cryptographic...","description":"A condition in ScreenConnect may allow an actor with access to server-level cryptographic material used for authentication to obtain unauthorized access, including elevated privileges, in certain scenarios.","status":"published","published":"2026-03-17T15:36:23Z","modified":"2026-03-17T15:36:34Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T15:06:40.510126Z"}],"nvd":[{"id":"CVE-2026-3564","description":"A condition in the ScreenConnect server component may allow an actor with access to server-level cryptographic material used for authentication to obtain unauthorized access, including elevated privileges, in certain scenarios. ScreenConnect host and guest client agents are not independently affected by this CVE.","status":"published","published":"2026-03-17T15:16:19.253Z","modified":"2026-07-09T18:16:51.93Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:12:09.735529Z"}]}}