CVE-2023-41894
CVE-2023-41894 is a medium-severity vulnerability in Home-assistant with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-669.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- EPSS exploit prediction: 0% (34th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-669
- Affected product: Home-assistant
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2023-41894?
- CVE-2023-41894 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2023-41894 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-41894?
- CVE-2023-41894 affects Home-assistant. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-41894?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-41894 published?
- CVE-2023-41894 was published on 2023-10-20 and last updated on 2026-06-17.
References
- https://github.com/home-assistant/core/security/advisories/GHSA-wx3j-3v2j-rf45
- https://www.home-assistant.io/blog/2023/10/19/security-audits-of-home-assistant/
Affected products (1)
- cpe:2.3:a:home-assistant:home-assistant:*:*:*:*:*:*:*:*
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