{"id":"CVE-2021-27891","aliases":["EUVD-2021-14628","GHSA-pc4j-6344-24x7"],"status":"published","title":"SSH Tectia Client and Server before 6.4.19 on Windows have weak key generation. ConnectSecure on...","description":"SSH Tectia Client and Server before 6.4.19 on Windows have weak key generation. ConnectSecure on Windows is affected.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.01076,"percentile":0.65457,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-03-15T14:07:27Z","modified":"2026-06-17T03:45:34Z","products":[{"vendor":"ssh","product":"tectia_client"},{"vendor":"ssh","product":"tectia_connectsecure"},{"vendor":"ssh","product":"tectia_server"}],"references":[{"url":"https://info.ssh.com/tectia-vulnerability-cve-2021-27891","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-27891"},{"url":"https://github.com/advisories/GHSA-pc4j-6344-24x7"}],"sources":{"cve":[{"id":"CVE-2021-27891","description":"SSH Tectia Client and Server before 6.4.19 on Windows have weak key generation. ConnectSecure on Windows is affected.","status":"published","published":"2021-03-15T14:07:27Z","modified":"2024-08-03T21:33:15.928Z","updated_at":"2026-11-02T14:33:04.679189Z"}],"euvd":[{"id":"EUVD-2021-14628","description":"SSH Tectia Client and Server before 6.4.19 on Windows have weak key generation. ConnectSecure on Windows is affected.","status":"published","published":"2021-03-15T14:07:27Z","modified":"2024-08-03T21:33:15Z","updated_at":"2026-11-03T03:24:48.366655Z"}],"ghsa":[{"id":"GHSA-pc4j-6344-24x7","title":"SSH Tectia Client and Server before 6.4.19 on Windows have weak key generation. ConnectSecure on...","description":"SSH Tectia Client and Server before 6.4.19 on Windows have weak key generation. ConnectSecure on Windows is affected.","status":"published","published":"2022-05-24T17:44:35Z","modified":"2023-01-29T05:05:41Z","updated_at":"2026-11-02T14:45:51.307262Z"}],"nvd":[{"id":"CVE-2021-27891","description":"SSH Tectia Client and Server before 6.4.19 on Windows have weak key generation. ConnectSecure on Windows is affected.","status":"published","published":"2021-03-15T15:15:15.697Z","modified":"2026-06-17T03:45:34.13Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:50.805771Z"}]}}