CVE-2020-36517
Published: 10 March 2022
Summary
CVE-2020-36517 is a high-severity Observable Discrepancy (CWE-203) vulnerability in Home-Assistant Home-Assistant. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 16.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2020-23995
Vulnerability details
An information leak in Nabu Casa Home Assistant Operating System and Home Assistant Supervised 2022.03 allows a DNS operator to gain knowledge about internal network resources via the hardcoded DNS resolver configuration.
- 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.
Misdirection can normalize or falsify responses to eliminate observable discrepancies that aid reconnaissance.
Observable discrepancies in system behavior can be modulated to create covert storage or timing channels; the required analysis detects and constrains such avenues.
Prevents attackers from using observable differences in error responses to infer internal system details or state.