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CVE-2023-27482

homeassistant is an open source home automation tool.

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 2023.3.2, 2023.03.3
1 Nuclei template
  • Exploitation: none
  • Automatable: yes
  • Technical impact: total

Summary

homeassistant is an open source home automation tool. A remotely exploitable vulnerability bypassing authentication for accessing the Supervisor API through Home Assistant has been discovered. This impacts all Home Assistant installation types that use the Supervisor 2023.01.1 or older. Installation types, like Home Assistant Container (for example Docker), or Home Assistant Core manually in a Python environment, are not affected. The issue has been mitigated and closed in Supervisor version 2023.03.1, which has been rolled out to all affected installations via the auto-update feature of the Supervisor. This rollout has been completed at the time of publication of this advisory. Home Assistant Core 2023.3.0 included mitigation for this vulnerability. Upgrading to at least that version is thus advised. In case one is not able to upgrade the Home Assistant Supervisor or the Home Assistant Core application at this time, it is advised to not expose your Home Assistant instance to the internet.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: total

  3. Record last updated
  4. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • home-assistant core

    fixed in 2023.3.2

  • home-assistant supervisor

    fixed in 2023.03.3

References 5

GitHub · home-assistant/core

home-assistant.io

GitHub · elttam/publications

elttam.com

GitHub · projectdiscovery/nuclei-templates