// For flags

CVE-2022-44650

Trend Micro Apex One Unauthorized Change Prevention Service Memory Corruption Local Privilege Escalation Vulnerability

Severity Score

7.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A memory corruption vulnerability in the Unauthorized Change Prevention service of Trend Micro Apex One and Apex One as a Service could allow a local attacker to elevate privileges on affected installations.

Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

Una vulnerabilidad de corrupción de memoria en el servicio de Prevención de Cambios No Autorizados de Trend Micro Apex One y Apex One as a Service podría permitir a un atacante local elevar los privilegios en las instalaciones afectadas. Tenga en cuenta: un atacante primero debe obtener la capacidad de ejecutar código con pocos privilegios en el sistema de destino para poder explotar esta vulnerabilidad.

This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro Apex One Security Agent. 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 Unauthorized Change Prevention Service. A crafted request can trigger a write past the end of an allocated data structure. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

*Credits: TBD
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-11-03 CVE Reserved
  • 2022-11-21 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-787: Out-of-bounds Write
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"
 Apex One
Search vendor "Trendmicro" for product "Apex One"
 < 14.0.11789
Search vendor "Trendmicro" for product "Apex One" and version " < 14.0.11789"
saas
Affected
in Microsoft
Search vendor "Microsoft"
 Windows
Search vendor "Microsoft" for product "Windows"
--
Safe
Trendmicro
Search vendor "Trendmicro"
 Apex One
Search vendor "Trendmicro" for product "Apex One"
 2019
Search vendor "Trendmicro" for product "Apex One" and version "2019"
-
Affected
in Microsoft
Search vendor "Microsoft"
 Windows
Search vendor "Microsoft" for product "Windows"
--
Safe