Vulnerability Details : CVE-2021-45099
Potential exploit
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
Products affected by CVE-2021-45099
- cpe:2.3:a:ssh_\&_web_terminal_project:ssh_\&_web_terminal:*:*:*:*:*:home_assistant:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-45099
0.40%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 60 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-45099
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
References for CVE-2021-45099
-
https://gist.github.com/Eriner/0872628519f70556d2c26c83439a9f67
PoC for github.com/hassio-addons/addon-ssh <= 9.1.1 - CVE-2021-45099 · GitHubExploit;Third Party Advisory
-
https://github.com/hassio-addons/addon-ssh/releases/tag/v10.0.0
Release v10.0.0 · hassio-addons/addon-ssh · GitHubRelease Notes;Third Party Advisory
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