{
  "cveId": "CVE-2021-44227",
  "url": "https://patchblox.com/security/cve/CVE-2021-44227",
  "summary": "CVE-2021-44227 is fixed in mailman on 1 platform, first by mailman 1:2.1.26-1ubuntu0.6, released December 1, 2021. It is not reported as exploited. Patch Radar priority: High.",
  "title": "mailman: Mailman is a program used to help manage e-mail discussion lists.\n\nSecurity Fix(es):\n\n* mailman: CSRF token bypass al...",
  "description": "Mailman is a program used to help manage e-mail discussion lists.\n\nSecurity Fix(es):\n\n* mailman: CSRF token bypass allows to perform CSRF attacks and admin takeover (CVE-2021-44227)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "published": "2021-12-01T19:15:00Z",
  "severity": "Important",
  "cvss": 8.8,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
  "epss": 0.00757,
  "epssPercentile": 0.5545,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "mailman",
      "release": "RHEL 8",
      "fixedVersion": "3:2.1.29-12.module\u002Bel8.5.0\u002B13466\u002B327eb9f3.2",
      "fix": "RHSA-2021:4916",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4916",
      "released": "2021-12-02T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "mailman",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:2.1.26-1ubuntu0.6",
      "fix": "mailman 1:2.1.26-1ubuntu0.6",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-mailman-1-2.1.26-1ubuntu0.6",
      "released": "2021-12-01T19:15:00Z"
    },
    {
      "platform": "linux",
      "product": "mailman",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:2.1.29-1ubuntu3.1\u002Besm2",
      "fix": "mailman 1:2.1.29-1ubuntu3.1\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-mailman-1-2.1.29-1ubuntu3.1-esm2",
      "released": "2021-12-01T19:15:00Z"
    },
    {
      "platform": "linux",
      "product": "mailman",
      "release": "almalinux 8",
      "fixedVersion": "3:2.1.29-12.module_el8.5.0\u002B26\u002B48d4c9ee.2",
      "fix": "ALSA-2021:4916",
      "url": "https://patchblox.com/security/fix/linux/alsa-2021-4916",
      "released": "2021-12-02T15:57:01Z"
    },
    {
      "platform": "linux",
      "product": "mailman",
      "release": "ol 8",
      "fixedVersion": "3:2.1.29-12.module\u002Bel8.5.0\u002B20436\u002B78a1860c.2",
      "fix": "ELSA-2021-4916",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4916",
      "released": "2021-12-02T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "mailman",
      "release": "rocky 8",
      "fixedVersion": "3:2.1.29-12.module\u002Bel8.5.0\u002B717\u002B27fd1ba7.2",
      "fix": "RLSA-2021:4916",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2021-4916",
      "released": "2021-12-02T15:57:01Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}