{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "fixed": "17.0.7"
              },
              {
                "introduced": "18.0.0"
              },
              {
                "fixed": "18.0.5"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "a36e761d7e9e29273fec6d151d884b88e6b271f8"
            },
            {
              "introduced": "fe6fdfe50de3d46e0ae18ce5b2f216855004df4f"
            },
            {
              "fixed": "52cc0c7bb41deaa81968d80e3385b4f7479c1b78"
            }
          ],
          "repo": "https://github.com/nextcloud/server",
          "type": "GIT"
        }
      ]
    }
  ],
  "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.",
  "id": "CVE-2020-8173",
  "modified": "2026-03-13T21:55:55.954457401Z",
  "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"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}