CVE-2021-45099

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

The addon.stdin service in addon-ssh (aka Home Assistant Community Add-on: SSH & Web Terminal) before 10.0.0 has an attack surface that requires social engineering. NOTE: the vendor does not agree that this is a vulnerability; however, addon.stdin was removed as a defense-in-depth measure against complex social engineering situations

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://gist.github.com/Eriner/0872628519f70556d2c26c83439a9f67Exploit, Third Party Advisory
https://github.com/hassio-addons/addon-ssh/releases/tag/v10.0.0Release Notes, Third Party Advisory
https://gist.github.com/Eriner/0872628519f70556d2c26c83439a9f67Exploit, Third Party Advisory
https://github.com/hassio-addons/addon-ssh/releases/tag/v10.0.0Release Notes, Third Party Advisory

Timeline

Published: Dec 16, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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