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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-25 May, 2026 | 23:41
Rejected At-
▼CVE Numbering Authority (CNA)
Home Assistant Community Store 1.10.0 Path Traversal Account Takeover

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.

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
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found