CVE-2021-47942

Description

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.

CVSS Vector

References

• https://github.com/hacs/integration
• https://www.exploit-db.com/exploits/49495
• https://www.home-assistant.io/
• https://www.vulncheck.com/advisories/home-assistant-community-store-path-traversal-account-takeover