{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "fixed": "2021.1.3"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "b4268edd6acd47c160119bd56809e292d73eebf3"
            }
          ],
          "repo": "https://github.com/home-assistant/home-assistant",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "Home Assistant before 2021.1.3 does not have a protection layer that can help to prevent directory-traversal attacks against custom integrations. NOTE: the vendor's perspective is that the vulnerability itself is in custom integrations written by third parties, not in Home Assistant; however, Home Assistant does have a security update that is worthwhile in addressing this situation",
  "id": "CVE-2021-3152",
  "modified": "2026-03-13T21:48:16.124087691Z",
  "published": "2021-01-26T18:16:27.770Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.home-assistant.io/blog/2021/01/14/security-bulletin/"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.home-assistant.io/blog/2021/01/22/security-disclosure/"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}