Vulnerability Details : CVE-2023-41894
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.
Products affected by CVE-2023-41894
- cpe:2.3:a:home-assistant:home-assistant:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-41894
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 28 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-41894
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
3.9
|
1.4
|
NIST | |
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
3.9
|
1.4
|
GitHub, Inc. |
CWE ids for CVE-2023-41894
-
The product does not properly transfer a resource/behavior to another sphere, or improperly imports a resource/behavior from another sphere, in a manner that provides unintended control over that resource.Assigned by: security-advisories@github.com (Secondary)
References for CVE-2023-41894
-
https://github.com/home-assistant/core/security/advisories/GHSA-wx3j-3v2j-rf45
Local-only webhooks externally accessible via SniTun · Advisory · home-assistant/core · GitHubVendor Advisory
-
https://www.home-assistant.io/blog/2023/10/19/security-audits-of-home-assistant/
Security audits of Home Assistant - Home AssistantVendor Advisory
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