CVE-2021-45231
Trend Micro Apex One Link Following Privilege Escalation Vulnerability
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
A link following privilege escalation vulnerability in Trend Micro Apex One (on-prem and SaaS) and Trend Micro Worry-Free Business Security (10.0 SP1 and Services) could allow a local attacker to create a specially crafted file with arbitrary content which could grant local privilege escalation on the affected system. 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 escalada de privilegios en Trend Micro Apex One (on-prem y SaaS) y Trend Micro Worry-Free Business Security (versiones 10.0 SP1 y Services) podría permitir a un atacante local crear un archivo especialmente diseñado con contenido arbitrario que podría conceder una escalada de privilegios local en el sistema afectado. Nota: un atacante debe obtener primero la capacidad de ejecutar código poco privilegiado 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 Real-time Scan Service. By creating a symbolic link, an attacker can abuse the service to overwrite a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2021-12-17 CVE Reserved
- 2022-01-06 CVE Published
- 2023-03-08 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-59: Improper Link Resolution Before File Access ('Link Following')
CAPEC
References (2)
| URL | Tag | Source |
|---|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-22-013 | Third Party Advisory |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://success.trendmicro.com/solution/000289996 | 2022-07-12 |
| URL | Date | SRC |
|---|
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" | 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
|
| Trendmicro Search vendor "Trendmicro" | Apex One Search vendor "Trendmicro" for product "Apex One" | 2019 Search vendor "Trendmicro" for product "Apex One" and version "2019" | saas |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Search vendor "Microsoft" for product "Windows" | - | - |
Safe
|
| Trendmicro Search vendor "Trendmicro" | Worry-free Business Security Search vendor "Trendmicro" for product "Worry-free Business Security" | 10.0 Search vendor "Trendmicro" for product "Worry-free Business Security" and version "10.0" | sp1 |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Search vendor "Microsoft" for product "Windows" | - | - |
Safe
|
| Trendmicro Search vendor "Trendmicro" | Worry-free Business Security Services Search vendor "Trendmicro" for product "Worry-free Business Security Services" | - | saas |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Search vendor "Microsoft" for product "Windows" | - | - |
Safe
|