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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Hacs | Home Assistant Community Store | < 1.10.0 |
Related Weaknesses (CWE)
References
- https://github.com/hacs/integrationProduct
- https://www.exploit-db.com/exploits/49495Exploit
- https://www.home-assistant.io/Product
- https://www.vulncheck.com/advisories/home-assistant-community-store-path-traversThird Party Advisory
FAQ
What is CVE-2021-47942?
CVE-2021-47942 is a vulnerability with a CVSS score of 7.5 (HIGH). 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...
How severe is CVE-2021-47942?
CVE-2021-47942 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-47942?
Check the references section above for vendor advisories and patch information. Affected products include: Hacs Home Assistant Community Store.