CVE-2021-3152
Published: 26 January 2021
Summary
CVE-2021-3152 is a medium-severity Path Traversal (CWE-22) vulnerability in Home-Assistant Home-Assistant. Its CVSS base score is 5.3 (Medium).
Operationally, ranked in the top 3.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-26496
Vulnerability details
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…
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Assistant; however, Home Assistant does have a security update that is worthwhile in addressing this situation
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Validates pathnames and filenames to prevent traversal outside intended directories.