// For flags

CVE-2021-32466

Trend Micro HouseCall for Home Networks Uncontrolled Search Path Element Privilege Escalation Vulnerability

Severity Score

7.0
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An uncontrolled search path element privilege escalation vulnerability in Trend Micro HouseCall for Home Networks version 5.3.1225 and below could allow an attacker to escalate privileges by placing a custom crafted file in a specific directory to load a malicious library. 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 escalada de privilegios de elementos de búsqueda no controlada en Trend Micro HouseCall for Home Networks versión 5.3.1225 y por debajo, podría permitir a un atacante escalar privilegios al colocar un archivo diseñado a medida en un directorio específico para cargar una biblioteca maliciosa. Tenga en cuenta que un atacante debe obtener primero la capacidad de ejecutar código con pocos privilegios 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 configuration of OpenSSL. The process loads an OpenSSL configuration file from an unsecured location. 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
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
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
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-05-07 CVE Reserved
  • 2021-09-24 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-427: Uncontrolled Search Path Element
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"
<= 5.3.1225
Search vendor "Trendmicro" for product "Housecall For Home Networks" and version " <= 5.3.1225"
-
Affected
in Microsoft
Search vendor "Microsoft"
Windows
Search vendor "Microsoft" for product "Windows"
--
Safe