{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:emby:emby:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "4.7.12.0"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "b79c2aa263d608e464195a72d4757aecaa83ffe6"
            }
          ],
          "repo": "https://github.com/mediabrowser/emby.releases",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-fffj-6fr6-3fgf"
  ],
  "database_specific": {},
  "details": "Emby Server \u003c 4.7.12.0 is vulnerable to a login bypass attack by setting the X-Forwarded-For header to a local IP-address.",
  "id": "CVE-2021-25827",
  "modified": "2026-07-08T05:37:20.889927132Z",
  "published": "2023-06-28T20:15:09.397Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://emby.media/community/index.php?/topic/98191-emby-server-46-released/"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/EmbySupport/security/security/advisories/GHSA-fffj-6fr6-3fgf"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/MediaBrowser/Emby/issues/3784"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}