CVE-2023-41894
mediumpriority · track · 21EPSS 0.005 · 43 %ileEUUSEPSS · scored 2026-10-28
Home assistant is an open source home automation. The assessment verified that webhooks available in the webhook component are triggerable via the `*.ui.nabu.casa` URL without authentication, even when the webhook is marked as Only accessible from the local network. This issue is facilitated by the SniTun proxy, which sets the source address to 127.0.0.1 on all requests sent to the public URL and forwarded to the local Home Assistant. This issue has been addressed in version 2023.9.0 and all users are advised to upgrade. There are no known workarounds for this vulnerability.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (2)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2023-41894/cnnvd
- https://github.com/home-assistant/core/security/advisories/GHSA-wx3j-3v2j-rf45cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2023-41894cnnvd
- https://www.home-assistant.io/blog/2023/10/19/security-audits-of-home-assistant/cnnvd
- https://github.com/home-assistant/core/security/advisories/GHSA-wx3j-3v2j-rf45enisa_euvd
- https://www.home-assistant.io/blog/2023/10/19/security-audits-of-home-assistant/enisa_euvd
- https://github.com/home-assistant/core/security/advisories/GHSA-wx3j-3v2j-rf45Vendor Advisorynvd
- https://www.home-assistant.io/blog/2023/10/19/security-audits-of-home-assistant/Vendor Advisorynvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan