{
  "schema_version": "1.4.0",
  "id": "GHSA-g28r-w65r-h89m",
  "modified": "2025-04-23T21:30:30Z",
  "published": "2022-03-19T00:00:57Z",
  "aliases": [
    "CVE-2022-0547"
  ],
  "details": "OpenVPN 2.1 until v2.4.12 and v2.5.6 may enable authentication bypass in external authentication plug-ins when more than one of them makes use of deferred authentication replies, which allows an external user to be granted access with only partially correct credentials.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-0547"
    },
    {
      "type": "WEB",
      "url": "https://community.openvpn.net/openvpn/wiki/CVE-2022-0547"
    },
    {
      "type": "WEB",
      "url": "https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GFXJ35WKPME4HYNQCQNAJHLCZOJL2SAE"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R36OYC5SJ6FLPVAYJYYT4MOJ2I7MGYFF"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GFXJ35WKPME4HYNQCQNAJHLCZOJL2SAE"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/R36OYC5SJ6FLPVAYJYYT4MOJ2I7MGYFF"
    },
    {
      "type": "WEB",
      "url": "https://openvpn.net/community-downloads"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-287",
      "CWE-305"
    ],
    "severity": "CRITICAL",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-03-18T18:15:00Z"
  }
}