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CVE Vulnerability Details :
CVE-2021-47942
PUBLISHED
More InfoOfficial Page
Assigner-VulnCheck
Assigner Org ID-83251b91-4cc7-4094-a5c7-464a1b83ea10
View Known Exploited Vulnerability (KEV) details
Published At-16 May, 2026 | 15:28
Updated At-16 May, 2026 | 15:28
Rejected At-
▼CVE Numbering Authority (CNA)
Home Assistant Community Store 1.10.0 Path Traversal Account Takeover

Home Assistant Community Store (HACS) 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.

Affected Products
Vendor
Home-Assistant
Product
Home Assistant Community Store (HACS)
Versions
Affected
  • From 0 before 1.10.0 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Type: CWE
CWE ID: CWE-22
Description: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Metrics
VersionBase scoreBase severityVector
4.08.7HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Version: 4.0
Base score: 8.7
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
finder
Lyghtnox
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.exploit-db.com/exploits/49495
exploit
https://www.home-assistant.io/
product
https://github.com/hacs/integration
product
https://www.vulncheck.com/advisories/home-assistant-community-store-path-traversal-account-takeover
third-party-advisory
Hyperlink: https://www.exploit-db.com/exploits/49495
Resource:
exploit
Hyperlink: https://www.home-assistant.io/
Resource:
product
Hyperlink: https://github.com/hacs/integration
Resource:
product
Hyperlink: https://www.vulncheck.com/advisories/home-assistant-community-store-path-traversal-account-takeover
Resource:
third-party-advisory
Details not found