{
  "schema_version": "1.4.0",
  "id": "GHSA-3xjv-m925-6jcj",
  "modified": "2025-03-28T15:31:42Z",
  "published": "2022-02-17T00:00:27Z",
  "aliases": [
    "CVE-2021-3773"
  ],
  "details": "A flaw in netfilter could allow a network-connected attacker to infer openvpn connection endpoint information for further use in traditional network attacks.",
  "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-2021-3773"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2004949"
    },
    {
      "type": "WEB",
      "url": "https://citizenlab.ca/2024/07/vulnerabilities-in-vpns-paper-presented-at-the-privacy-enhancing-technologies-symposium-2024"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20250328-0004"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpujul2022.html"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-200"
    ],
    "severity": "CRITICAL",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-02-16T19:15:00Z"
  }
}