// For flags

CVE-2021-31519

Trend Micro HouseCall for Home Networks Incorrect Permission Assignment Privilege Escalation Vulnerability

Severity Score

7.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An incorrect permission vulnerability in the product installer folders for Trend Micro HouseCall for Home Networks version 5.3.1179 and below could allow an attacker to escalate privileges by placing arbitrary code on a specified folder and have that code be executed by an Administrator who is running a scan. Please note that an attacker must first obtain the ability to execute low-privileged code on the target system to exploit this vulnerability.

Una vulnerabilidad de permiso incorrecto en las carpetas del instalador del producto para Trend Micro HouseCall for Home Networks versiones 5.3.1179 y anteriores, podría permitir a un atacante escalar privilegios al colocar código arbitrario en una carpeta específica y que ese código sea ejecutado por un administrador que esté ejecutando un escaneo. Tome en cuenta que un atacante debe primero obtener la habilidad de ejecutar código poco privilegio en el sistema de destino para explotar esta vulnerabilidad

This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro HouseCall for Home Networks. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
The specific flaw exists within the product installer. The issue results from incorrect permissions set on product folders created by the installer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of an administrator.

*Credits: Xavier Danest - Decathlon
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-04-20 CVE Reserved
  • 2021-04-23 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-10-15 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-276: Incorrect Default Permissions
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Trendmicro
Search vendor "Trendmicro"
 Housecall For Home Networks
Search vendor "Trendmicro" for product "Housecall For Home Networks"
 <= 5.3.1179
Search vendor "Trendmicro" for product "Housecall For Home Networks" and version " <= 5.3.1179"
-
Affected
in Microsoft
Search vendor "Microsoft"
 Windows
Search vendor "Microsoft" for product "Windows"
--
Safe