CVE-2021-45099: SSH & Web Terminal Project SSH & Web Terminal

High severity, CVSS 8.8. EPSS: 1.3% chance of exploitation in the next 30 days.

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

Affected products

• SSH & Web Terminal Project SSH & Web Terminal: before 10.0.0 (fixed in 10.0.0)

Published 2021-12-16. Last modified 2026-06-17.