Skip to main content

Home Assistant CVE-2023-44385

HIGH
Cross-Site Request Forgery (CSRF) (CWE-352)
2023-10-19 security-advisories@github.com
8.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V3 - Web Frontend Security Anti-CSRF tokens, SameSite cookies
MITRE ATT&CK

1 technique across 1 tactic: Initial Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 8.8 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required.

Exploit ScenarioDerived

A remote attacker could trick authenticated users into performing unintended actions by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.3% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

The Home Assistant Companion for iOS and macOS app up to version 2023.4 are vulnerable to Client-Side Request Forgery. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement anti-CSRF tokens, validate Origin/Referer headers, use SameSite cookie attribute.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Cross-Site Request Forgery (CSRF) (CWE-352), which allows attackers to trick authenticated users into performing unintended actions. The Home Assistant Companion for iOS and macOS app up to version 2023.4 are vulnerable to Client-Side Request Forgery. Attackers may send malicious links/QRs to victims that, when visited, will make the victim to call arbitrary services in their Home Assistant installation. Combined with this security advisory, may result in full compromise and remote code execution (RCE). Version 2023.7 addresses this issue and all users are advised to upgrade. There are no known workarounds for this vulnerability. This issue is also tracked as GitHub Security Lab (GHSL) Vulnerability Report: GHSL-2023-161. Affected products include: Home-Assistant Home Assistant Companion. Version information: version 2023.4.

Know when Home Assistant gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 8.8 HIGH
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

The Home Assistant Companion for iOS and macOS app up to version 2023.4 are vulnerable to Client-Side Request Forgery. Attackers may send malicious links/QRs to victims that, when visited, will make the victim to call arbitrary services in their Home Assistant installation. Combined with this security advisory, may result in full compromise and remote code execution (RCE). Version 2023.7 addresses this issue and all users are advised to upgrade. There are no known workarounds for this vulnerability. This issue is also tracked as GitHub Security Lab (GHSL) Vulnerability Report: GHSL-2023-161.

Threat Intelligence Overview

EPSS Score
0.3%
Top 80% exploitable
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +44
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Cross-Site Request Forgery exploits the automatic credential inclusion behavior of web browsers.

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Affected Products (CPE)NVD

cpe:2.3:a:home-assistant:home_assistant_companion:*:*:*:*:*:iphone_os:*:*
cpe:2.3:a:home-assistant:home_assistant_companion:*:*:*:*:*:macos:*:*
CVE-2023-27482 CRITICAL POC
10.0 Mar 08

homeassistant is an open source home automation tool. Rated critical severity (CVSS 10.0), this vulnerability is remotel

CVE-2026-91130 CRITICAL POC
9.3 Sep 22

Stored/DOM cross-site scripting in the Home Assistant frontend Statistics Graph card lets an authenticated user or a mal

CVE-2021-47942 HIGH POC
8.7 May 16

Home Assistant Community Store (HACS) 1.10.0 contains a path traversal vulnerability that allows unauthenticated attacke

CVE-2023-41897 CRITICAL
9.6 Oct 19

Home assistant is an open source home automation. Rated critical severity (CVSS 9.6), this vulnerability is remotely exp

CVE-2023-41895 CRITICAL
9.6 Oct 19

Home assistant is an open source home automation. Rated critical severity (CVSS 9.6), this vulnerability is remotely exp

CVE-2026-64824 CRITICAL
9.3 Jul 21

Path-traversal to remote code execution in Home Assistant Core before 2026.6.0 lets an authenticated user who can supply

CVE-2021-3152 MEDIUM POC
5.3 Jan 26

Home Assistant before 2021.1.3 does not have a protection layer that can help to prevent directory-traversal attacks aga

CVE-2026-64825 CRITICAL
9.0 Jul 21

Arbitrary file write in Home Assistant Core before 2026.6.0 lets unauthenticated attackers plant attacker-controlled fil

CVE-2023-41896 CRITICAL
9.0 Oct 19

Home assistant is an open source home automation. Rated critical severity (CVSS 9.0), this vulnerability is remotely exp

CVE-2025-62172 HIGH
8.5 Oct 14

Stored cross-site scripting in the Home Assistant Energy dashboard (versions 2025.1.0 through 2025.10.1) lets an authent

CVE-2026-44698 HIGH
8.3 May 29

Cross-origin JavaScript injection in Home Assistant Companion apps for Android (before 2026.4.4) and iOS (before 2026.4.

CVE-2023-50715 MEDIUM POC
4.3 Dec 15

Home Assistant is open source home automation software. Rated medium severity (CVSS 4.3), this vulnerability is no authe

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy