{
  "cveId": "CVE-2021-3429",
  "url": "https://patchblox.com/security/cve/CVE-2021-3429",
  "summary": "CVE-2021-3429 is fixed in cloud-init on 1 platform, first by RHSA-2021:3081, released August 10, 2021. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "cloud-init: The cloud-init packages provide a set of init scripts for cloud instances",
  "description": "The cloud-init packages provide a set of init scripts for cloud instances. Cloud instances need special scripts to run during initialization to retrieve and install SSH keys, and to let the user run various scripts.\n\nSecurity Fix(es):\n\n* cloud-init: randomly generated passwords logged in clear-text to world-readable file (CVE-2021-3429)\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": "2021-08-10T00:00:00Z",
  "severity": "Moderate",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
  "epss": 0.00219,
  "epssPercentile": 0.12443,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "cloud-init",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "20.4.1-2",
      "fix": "DEBIAN-CVE-2021-3429",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-3429",
      "released": "2023-04-19T22:15:10Z"
    },
    {
      "platform": "linux",
      "product": "cloud-init",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "20.4.1-2",
      "fix": "DEBIAN-CVE-2021-3429",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-3429",
      "released": "2023-04-19T22:15:10Z"
    },
    {
      "platform": "linux",
      "product": "cloud-init",
      "release": "Debian 14",
      "fixedVersion": "20.4.1-2",
      "fix": "DEBIAN-CVE-2021-3429",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-3429",
      "released": "2023-04-19T22:15:10Z"
    },
    {
      "platform": "linux",
      "product": "cloud-init",
      "release": "RHEL 8",
      "fixedVersion": "0:20.3-10.el8_4.5",
      "fix": "RHSA-2021:3081",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-3081",
      "released": "2021-08-10T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "cloud-init",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "21.1-19-gbad84ad4-0ubuntu1~18.04.1",
      "fix": "cloud-init 21.1-19-gbad84ad4-0ubuntu1~18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-cloud-init-21.1-19-gbad84ad4-0ubuntu1-18.04.1",
      "released": "2023-04-19T15:15:00Z"
    },
    {
      "platform": "linux",
      "product": "cloud-init",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "21.1-19-gbad84ad4-0ubuntu1~20.04.1",
      "fix": "cloud-init 21.1-19-gbad84ad4-0ubuntu1~20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-cloud-init-21.1-19-gbad84ad4-0ubuntu1-20.04.1",
      "released": "2023-04-19T15:15:00Z"
    },
    {
      "platform": "linux",
      "product": "cloud-init",
      "release": "ol 8",
      "fixedVersion": "0:20.3-10.0.1.el8_4.5",
      "fix": "ELSA-2021-3081",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-3081",
      "released": "2021-08-12T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}