{"id":"CVE-2021-3152","aliases":["EUVD-2021-26496","GHSA-jxm2-grrm-xcrf"],"status":"disputed","title":"** DISPUTED ** Home Assistant before 2021.1.3 does not have a protection layer that can help to...","description":"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","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02159,"percentile":0.82316,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2021-01-21T15:10:51Z","modified":"2026-10-24T10:30:18Z","exploits":[{"source":"nuclei","id":"CVE-2021-3152","title":"Home Assistant HACS - Local File Inclusion","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-3152.yaml"}],"products":[{"vendor":"home-assistant","product":"home-assistant"}],"references":[{"url":"https://www.home-assistant.io/blog/2021/01/14/security-bulletin/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"https://www.home-assistant.io/blog/2021/01/22/security-disclosure/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3152"},{"url":"https://www.home-assistant.io/blog/2021/01/14/security-bulletin"},{"url":"https://www.home-assistant.io/blog/2021/01/22/security-disclosure"},{"url":"https://github.com/advisories/GHSA-jxm2-grrm-xcrf"}],"sources":{"cve":[{"id":"CVE-2021-3152","description":"Home Assistant before 2021.1.3 does not have a protection layer that can help to prevent directory-traversal attacks against custom integrations. 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