Skip to main content

Mondoo

Vulnerability Management
Technology
Services

Solutions

Financial Services
Manufacturing
Healthcare

Resources

Blog
Vulnerability Database
Documentation
GitHub

Company

About
Careers
Partners
Contact

Legal

Privacy
Terms
Imprint

© 2026 Mondoo, Inc.

Log in Get Assessment

Vulnerability IntelligenceCVE-2021-3152

CVE-2021-3152

MEDIUM5.3

Home Assistant before 2021

Published Jan 21, 2021

Modified 1 years ago

Details

Home Assistant before 2021.1.3 does not have a protection layer that can help to prevent directory-traversal attacks against custom integrations. NOTE: the vendor's perspective is that the vulnerability itself is in custom integrations written by third parties, not in Home Assistant; however, Home Assistant does have a security update that is worthwhile in addressing this situation

References

https://www.cve.org/CVERecord?id=CVE-2021-3152

https://www.home-assistant.io/blog/2021/01/14/security-bulletin/

https://www.home-assistant.io/blog/2021/01/22/security-disclosure/

CVSS Analysis

CVSS v3.1

5.3

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

LowC:L

Integrity

NoneI:N

Availability

NoneA:N

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

Ecosystems

Timeline

PublishedJan 21, 2021

ModifiedAug 3, 2024

CVE-2021-3152 | Mondoo Vulnerability Intelligence