CVE-2020-36517

Public Exploit

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.29% Top 25%
Vendor Advisory home-assistant.io
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/home-assistant/plugin-dns/issues/70 third party advisory exploit
https://github.com/home-assistant/plugin-dns/issues/64 third party advisory exploit
https://github.com/home-assistant/plugin-dns/pull/59 issue tracking third party advisory patch
https://github.com/home-assistant/plugin-dns/pull/58 third party advisory patch
https://github.com/home-assistant/plugin-dns/pull/56 issue tracking exploit third party advisory
https://github.com/home-assistant/plugin-dns/pull/55 exploit third party advisory patch
https://github.com/home-assistant/plugin-dns/issues/54 third party advisory exploit
https://github.com/home-assistant/plugin-dns/issues/53 third party advisory exploit
https://github.com/home-assistant/plugin-dns/issues/51 issue tracking exploit third party advisory
https://github.com/home-assistant/plugin-dns/issues/50 issue tracking exploit third party advisory
https://github.com/home-assistant/plugin-dns/issues/22 issue tracking third party advisory
https://github.com/home-assistant/plugin-dns/issues/20 issue tracking exploit third party advisory
https://github.com/home-assistant/plugin-dns/issues/17 third party advisory
https://github.com/home-assistant/plugin-dns/issues/6 third party advisory exploit
https://community.home-assistant.io/t/ha-os-dns-setting-configuration-not-respected/356572 issue tracking exploit vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-36517?
CVE-2020-36517 has been scored as a high severity vulnerability.
How to fix CVE-2020-36517?
To fix CVE-2020-36517, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-36517 being actively exploited in the wild?
It is possible that CVE-2020-36517 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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