VULNERABILITY INTELLIGENCE

CVE-2021-45099

CVSS score8.8 HIGH

EPSS probability1.34%

CISA KEVNot currently listed

Published2021-12-16

Last modified2026-06-17

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

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

Weakness classification

nvd@nist.gov: NVD-CWE-noinfo

Primary references

cve@mitre.org — Exploit, Third Party Advisory
cve@mitre.org — Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Third Party Advisory