{"id":"CVE-2020-8173","aliases":["EUVD-2020-29057","GHSA-v9r7-gccq-cp4v"],"status":"published","title":"A too small set of random characters being used for encryption in Nextcloud Server 18.0.4 allowed...","description":"A too small set of random characters being used for encryption in Nextcloud Server 18.0.4 allowed decryption in shorter time than intended.","severity":{"version":"3.1","score":2.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00369,"percentile":0.31048,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-310","CWE-311"],"published":"2020-10-30T18:12:26Z","modified":"2026-10-24T10:30:27Z","products":[{"vendor":"hackerone","product":"nextcloud server"},{"vendor":"nextcloud","product":"nextcloud_server"}],"references":[{"url":"https://hackerone.com/reports/852841","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://nextcloud.com/security/advisory/?id=NC-SA-2020-023","tags":["x_refsource_MISC","x_transferred","Broken Link","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8173"},{"url":"https://github.com/advisories/GHSA-v9r7-gccq-cp4v"}],"sources":{"cve":[{"id":"CVE-2020-8173","description":"A too small set of random characters being used for encryption in Nextcloud Server 18.0.4 allowed decryption in shorter time than intended.","status":"published","published":"2020-10-30T18:12:26Z","modified":"2024-08-04T09:56:27.378Z","cwes":["CWE-310"],"updated_at":"2026-11-02T14:35:50.88562Z"}],"euvd":[{"id":"EUVD-2020-29057","description":"A too small set of random characters being used for encryption in Nextcloud Server 18.0.4 allowed decryption in shorter time than intended.","status":"published","published":"2020-10-30T18:12:26Z","modified":"2024-08-04T09:56:27Z","updated_at":"2026-11-03T03:07:58.055641Z"}],"ghsa":[{"id":"GHSA-v9r7-gccq-cp4v","title":"A too small set of random characters being used for encryption in Nextcloud Server 18.0.4 allowed...","description":"A too small set of random characters being used for encryption in Nextcloud Server 18.0.4 allowed decryption in shorter time than intended.","status":"published","published":"2022-05-24T17:33:05Z","modified":"2023-01-27T05:06:18Z","cvss":[{"version":"3.1","score":2.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-311"],"updated_at":"2026-11-02T14:42:53.481756Z"}],"nvd":[{"id":"CVE-2020-8173","description":"A too small set of random characters being used for encryption in Nextcloud Server 18.0.4 allowed decryption in shorter time than intended.","status":"published","published":"2020-11-02T21:15:34.71Z","modified":"2026-06-17T03:25:59.403Z","cvss":[{"version":"3.1","score":2.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-310","CWE-311"],"updated_at":"2026-11-02T14:06:21.80969Z"}],"osv":[{"id":"CVE-2020-8173","description":"A too small set of random characters being used for encryption in Nextcloud Server 18.0.4 allowed decryption in shorter time than intended.","status":"published","published":"2020-11-02T21:15:34.71Z","modified":"2026-10-24T10:30:27.405135518Z","cvss":[{"version":"3.1","score":2.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-02T15:44:17.663289Z"}]}}