{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:st:stm32cube_middleware:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.8.0"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "beced99ac090fece04d1e0eb6648b8075e156c6c"
            }
          ],
          "repo": "https://github.com/stmicroelectronics/stm32cubeh7",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {},
  "details": "An in the USBH_MSC_InterfaceInit() function of STMicroelectronics STM32Cube Middleware v1.8.0 and below causes a denial of service (DOS) when the system tries to communicate with the connected endpoint.",
  "id": "CVE-2021-34267",
  "modified": "2026-07-08T05:39:07.522972467Z",
  "published": "2021-07-22T20:15:08.287Z",
  "references": [
    {
      "type": "EVIDENCE",
      "url": "https://github.com/STMicroelectronics/STM32CubeH7/issues/80"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}