What is CVE-2021-47942?

CVE-2021-47942 is a high-severity vulnerability in Hacs Home_assistant_community_store, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-05-16.

How severe is CVE-2021-47942?

High severity. CVSS v3 base score is 7.5 out of 10.

Path Traversal in Hacs Home_assistant_community_store

CVE-2021-47942

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…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.001 (29.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Hacs Home_assistant_community_store
Home-assistant Home Assistant Community Store (Hacs) — versions 0

Weakness classification (CWE)

CWE-22 — Path Traversal

References

disclosure@vulncheck.com (Exploit, exploit)
disclosure@vulncheck.com (Product, product)
disclosure@vulncheck.com (Product, product)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2021-47942?: CVE-2021-47942 is a high-severity vulnerability in Hacs Home_assistant_community_store, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-05-16.
How severe is CVE-2021-47942?: High severity. CVSS v3 base score is 7.5 out of 10.