{"id":"CVE-2020-8173","details":"A too small set of random characters being used for encryption in Nextcloud Server 18.0.4 allowed decryption in shorter time than intended.","modified":"2026-04-10T04:28:18.203931Z","published":"2020-11-02T21:15:34.710Z","references":[{"type":"ADVISORY","url":"https://nextcloud.com/security/advisory/?id=NC-SA-2020-023"},{"type":"EVIDENCE","url":"https://hackerone.com/reports/852841"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/nextcloud/server","events":[{"introduced":"0"},{"fixed":"a36e761d7e9e29273fec6d151d884b88e6b271f8"},{"introduced":"fe6fdfe50de3d46e0ae18ce5b2f216855004df4f"},{"fixed":"52cc0c7bb41deaa81968d80e3385b4f7479c1b78"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"17.0.7"},{"introduced":"18.0.0"},{"fixed":"18.0.5"}]}}],"versions":["v1.0.0beta1","v11.0.0","v11.0RC2","v12.0.0beta1","v12.0.0beta2","v12.0.0beta3","v12.0.0beta4","v13.0.0RC1","v13.0.0beta1","v13.0.0beta2","v13.0.0beta3","v13.0.0beta4","v14.0.0RC1","v14.0.0RC2","v14.0.0beta1","v14.0.0beta2","v14.0.0beta3","v14.0.0beta4","v15.0.0RC1","v15.0.0beta1","v15.0.0beta2","v16.0.0RC1","v16.0.0alpha1","v16.0.0beta1","v16.0.0beta2","v16.0.0beta3","v17.0.0","v17.0.0beta1","v17.0.0beta2","v17.0.0beta3","v17.0.0beta4","v17.0.0rc1","v17.0.0rc2","v17.0.1","v17.0.1rc1","v17.0.2","v17.0.2RC1","v17.0.3","v17.0.3RC1","v17.0.4","v17.0.4RC1","v17.0.4RC2","v17.0.5RC1","v17.0.6","v17.0.6RC1","v17.0.6RC2","v17.0.7RC1","v18.0.0","v18.0.1","v18.0.1RC1","v18.0.1RC2","v18.0.1RC3","v18.0.2","v18.0.2RC1","v18.0.2RC2","v18.0.4","v18.0.4RC1","v18.0.4RC2","v3.0","v4.0.0","v4.0.0RC","v4.0.0RC2","v4.0.0beta","v4.0.1","v4.0.4","v4.0.5","v4.0.6","v4.5.0","v4.5.0RC1","v4.5.0RC2","v4.5.0RC3","v4.5.0beta3","v4.5.0beta4","v5.0.0","v5.0.0RC1","v5.0.0RC2","v5.0.0RC3","v5.0.0alpha1","v5.0.0beta1","v5.0.0beta2","v6.0.0RC1","v6.0.0RC2","v6.0.0alpha2","v6.0.0beta2","v6.0.0beta3","v6.0.0beta4","v6.0.0beta5","v7.0.0alpha2","v7.0.0beta1","v8.0.0","v8.0.0RC1","v8.0.0RC2","v8.0.0alpha1","v8.0.0alpha2","v8.0.0beta1","v8.0.0beta2","v8.1.0alpha1","v8.1.0alpha2","v8.1.0beta1","v8.1.0beta2","v8.1RC2","v8.2RC1","v8.2beta1","v9.0.0beta2","v9.0beta1","v9.1.0beta1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-8173.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N"}]}