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CVE-2020-36517

HIGH
7.5
CVSS Score
Published: March 7, 2022 at 09:08 PM UTC
Updated: June 17, 2026 at 03:15 AM UTC
1 product affected across 1 vendorHome Assistant

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Severity
HIGH7.5
Exploit prediction
EPSS 3%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (15)

x_refsource_MISCExploitIssue TrackingVendor Advisory
Source: [email protected]
https://community.home-assistant.io/t/ha-os-dns-setting-configuration-not-respected/356572
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://github.com/home-assistant/plugin-dns/issues/17
x_refsource_MISCExploitIssue TrackingThird Party Advisory
Source: [email protected]
https://github.com/home-assistant/plugin-dns/issues/20
x_refsource_MISCIssue TrackingThird Party Advisory
Source: [email protected]
https://github.com/home-assistant/plugin-dns/issues/22
x_refsource_MISCExploitIssue TrackingThird Party Advisory
Source: [email protected]
https://github.com/home-assistant/plugin-dns/issues/50
x_refsource_MISCExploitIssue TrackingThird Party Advisory
Source: [email protected]
https://github.com/home-assistant/plugin-dns/issues/51
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/home-assistant/plugin-dns/issues/53
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/home-assistant/plugin-dns/issues/54

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-203

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