{
  "cveId": "CVE-2021-29425",
  "url": "https://patchblox.com/security/cve/CVE-2021-29425",
  "summary": "CVE-2021-29425 is fixed in libcommons-io-java on 1 platform, first by libcommons-io-java 2.6-2ubuntu0.18.04.1, released April 13, 2021. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libcommons-io-java: In Apache Commons IO before 2.7, When invoking the method FileNameUtils.normalize with an improper input string, like...",
  "description": "In Apache Commons IO before 2.7, When invoking the method FileNameUtils.normalize with an improper input string, like \u0022//../foo\u0022, or \u0022\\\\..\\foo\u0022, the result would be the same value, thus possibly providing access to files in the parent directory, but not further above (thus \u0022limited\u0022 path traversal), if the calling code would use the result to construct a path value.",
  "published": "2021-04-13T00:15:00Z",
  "severity": "Medium",
  "epss": 0.10549,
  "epssPercentile": 0.95804,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libcommons-io-java",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.6-2ubuntu0.18.04.1",
      "fix": "libcommons-io-java 2.6-2ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libcommons-io-java-2.6-2ubuntu0.18.04.1",
      "released": "2021-04-13T00:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libcommons-io-java",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.6-2ubuntu0.20.04.1",
      "fix": "libcommons-io-java 2.6-2ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libcommons-io-java-2.6-2ubuntu0.20.04.1",
      "released": "2021-04-13T00:15:00Z"
    }
  ],
  "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"
  }
}