CVE-2023-41894

Q: How do I fix CVE-2023-41894?

Upgrade home-assistant to 2023.9.0 or later.

Q: Is CVE-2023-41894 being actively exploited?

Not that we know of. CVE-2023-41894 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.42% is the estimated probability that it will be exploited in the next 30 days. That is higher than 35% of all scored CVEs.

Q: How severe is CVE-2023-41894?

CVE-2023-41894 has a CVSS v3 base score of 5.3, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2023-41894 affect?

Published advisories record a fix for home-assistant (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

MEDIUM

5.3

CVSS v3

NVD

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.

CWE-669

How to fix

Remediation Available

home-assistantNVD

Affected:< 2023.9.0Fixed in:2023.9.0CVE-2023-41894derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploit Intelligence

0.42%probability of exploitation in 30 days

35thpercentile

Low risk: more likely to be exploited than 35% of all known CVEs.

References

Vendor Advisory2

Related Vulnerabilities

Other CWE-669 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2026-31431	Medium	5.5	100%	KEV	Fix
CVE-2002-0055	Medium	5.0	35%	-	-
CVE-2020-1048	High	7.8	17%	-	-
CVE-2021-22900	High	7.2	14%	KEV	-
CVE-2026-25253	High	8.8	8.0%	-	Fix
CVE-2020-6862	Medium	5.3	6.3%	-	-

Common questions

How do I fix CVE-2023-41894?

Upgrade home-assistant to 2023.9.0 or later.

Is CVE-2023-41894 being actively exploited?

Not that we know of. CVE-2023-41894 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.42% is the estimated probability that it will be exploited in the next 30 days. That is higher than 35% of all scored CVEs.

How severe is CVE-2023-41894?

CVE-2023-41894 has a CVSS v3 base score of 5.3, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2023-41894 affect?

Published advisories record a fix for home-assistant (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2023-41894

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.