CVE-2021-45099

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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

**EN DISPUTA** El servicio addon.stdin en addon-ssh (también se conoce como Home Assistant Community Add-on: SSH & Web Terminal) versiones anteriores a 10.0.0, presenta una superficie de ataque que requiere ingeniería social. NOTA: el proveedor no está de acuerdo en que esto sea una vulnerabilidad; sin embargo, addon.stdin fue eliminado como una medida de defensa en profundidad contra situaciones complejas de ingeniería social

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-12-16 CVE Reserved
2021-12-16 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2024-08-31 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (2)

URL	Tag	Source
https://github.com/hassio-addons/addon-ssh/releases/tag/v10.0.0	Release Notes

URL	Date	SRC
https://gist.github.com/Eriner/0872628519f70556d2c26c83439a9f67	2024-08-04

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Ssh \& Web Terminal Project Search vendor "Ssh \& Web Terminal Project"		Ssh \& Web Terminal Search vendor "Ssh \& Web Terminal Project" for product "Ssh \& Web Terminal"				< 10.0.0 Search vendor "Ssh \& Web Terminal Project" for product "Ssh \& Web Terminal" and version " < 10.0.0"		home_assistant		Affected