CVE-2021-45099
Last modified
CVE-2021-45099 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. EPSS estimates a 1.29% chance of exploitation in the next 30 days.
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/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ssh \& Web Terminal Project | Ssh \& Web Terminal | < 10.0.0 |
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
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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