Junglewise Threat Intelligence

CVE-2021-41104: PYSEC-2021-351 - 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

CVE-2021-41104 · Severity: low · CVSS 3.1 · Published 2021-09-28

Technologies: esphome (PyPI). Vendors: PyPI.

Executive brief

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`.

Affected products

  • PyPI esphome

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