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CVE-2021-47942— Home Assistant Community Store 1.10.0 Path Traversal Account Takeover

Quick assessment

Affected
Home-Assistant Home Assistant Community Store (HACS)
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Home Assistant是Home Assistant开源的一套开源的家庭自动化管理系统。该系统主要用于控制家庭自动化设备。 Home Assistant 1.10.0版本存在路径遍历漏洞，该漏洞源于路径遍历问题，可能导致未经身份验证的攻击者通过/hacsfiles/端点遍历目录读取敏感文件。

CVSS 7.5 · High EPSS 0.50% · P40

Affected Version Matrix 1

VendorProduct Version RangeStatus
Home-Assistant Home Assistant Community Store (HACS) < 1.10.0 affected
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I. Basic Information for CVE-2021-47942

Vulnerability Information
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Vulnerability Title
Home Assistant Community Store 1.10.0 Path Traversal Account Takeover
Source: CVE Program / CVE List V5
Vulnerability Description
Home Assistant Community Store (HACS) prior to 1.10.0 contains a path traversal vulnerability that allows unauthenticated attackers to read sensitive files by traversing directories via the /hacsfiles/ endpoint. Attackers can retrieve the .storage/auth file containing user credentials and refresh tokens, then craft valid JWT tokens to gain administrative access to Home Assistant instances.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Home Assistant 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Home Assistant是Home Assistant开源的一套开源的家庭自动化管理系统。该系统主要用于控制家庭自动化设备。 Home Assistant 1.10.0版本存在路径遍历漏洞，该漏洞源于路径遍历问题，可能导致未经身份验证的攻击者通过/hacsfiles/端点遍历目录读取敏感文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Home-Assistant Home Assistant Community Store (HACS) 0 ~ 1.10.0 -

II. Public POCs for CVE-2021-47942

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7903 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
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Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2021-47942

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Vendor Advisories for CVE-2021-47942 (1)

Exploits & Public PoCs for CVE-2021-47942 (1)

Vendor Pages for CVE-2021-47942 (1)

Other References for CVE-2021-47942 (1)

IV. Related Vulnerabilities

Same vendor: Home-Assistant
Same weakness: CWE-22

V. Comments for CVE-2021-47942

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