What is the CVSS score of CVE-2023-44385?

CVE-2023-44385 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.3%.

Home Assistant Companion CVE-2023-44385

HIGH

Cross-Site Request Forgery (CSRF) (CWE-352)

2023-10-19 security-advisories@github.com

RCE Apple CSRF Home Assistant Companion

8.8

CVSS 3.1 · NVD

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

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Oct 19, 2023 - 23:15 nvd

HIGH 8.8

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.

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.

Technical ContextAI

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.

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.