{
  "cveId": "CVE-2021-38425",
  "url": "https://patchblox.com/security/cve/CVE-2021-38425",
  "summary": "CVE-2021-38425 is fixed in 3 products on 1 platform, first by DEBIAN-CVE-2021-38425, released May 5, 2022. It is not reported as exploited. Patch Radar priority: Urgent.",
  "title": "fastdds: eProsima Fast DDS versions prior to 2.4.0 (#2269) are susceptible to exploitation when an attacker sends a specially...",
  "description": "eProsima Fast DDS versions prior to 2.4.0 (#2269) are susceptible to exploitation when an attacker sends a specially crafted packet to flood a target device with unwanted traffic, which may result in a denial-of-service condition and information exposure.",
  "published": "2022-05-05T10:15:00Z",
  "severity": "critical",
  "cvss": 9.1,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
  "epss": 0.05022,
  "epssPercentile": 0.92313,
  "priority": "Urgent",
  "priorityTier": 2,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "fastdds",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "2.6.1\u002Bds-1",
      "fix": "DEBIAN-CVE-2021-38425",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-38425",
      "released": "2022-05-05T17:15:09Z"
    },
    {
      "platform": "linux",
      "product": "fastdds",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "2.6.1\u002Bds-1",
      "fix": "DEBIAN-CVE-2021-38425",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-38425",
      "released": "2022-05-05T17:15:09Z"
    },
    {
      "platform": "linux",
      "product": "fastdds-tools",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.5.0\u002Bds-3ubuntu0.1~esm1",
      "fix": "fastdds-tools 2.5.0\u002Bds-3ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-fastdds-tools-2.5.0-ds-3ubuntu0.1-esm1",
      "released": "2023-08-11T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libfastrtps2.5",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.5.0\u002Bds-3ubuntu0.1~esm1",
      "fix": "libfastrtps2.5 2.5.0\u002Bds-3ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libfastrtps2.5-2.5.0-ds-3ubuntu0.1-esm1",
      "released": "2023-08-11T07:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}