CVE-2021-41104

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Summary:

ESPHome is a system to control the ESP8266/ESP32. Anyone with web_server enabled and HTTP basic auth configured on version 2021.9.1 or older is vulnerable to an issue in which `web_server` allows over-the-air (OTA) updates without checking user defined basic auth username & password. This issue is patched in version 2021.9.2. As a workaround, one may disable or remove `web_server`.

Reference Links(if available):

  • https://github.com/esphome/esphome/pull/2409/commits/207cde1667d8c799a197b78ca8a5a14de8d5ca1e
  • https://github.com/esphome/esphome/releases/tag/2021.9.2
  • https://github.com/esphome/esphome/security/advisories/GHSA-48mj-p7x2-5jfm
  • CVSS Score (if available)

    v2: / MEDIUM

    v3: / HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

    Links to Exploits(if available)

  • Available for Amazon Prime