// For flags

CVE-2020-25776

Trend Micro Antivirus for Mac Symbolic Link 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

Trend Micro Antivirus for Mac 2020 (Consumer) is vulnerable to a symbolic link privilege escalation attack where an attacker could exploit a critical file on the system to escalate their privileges. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

Trend Micro Antivirus para Mac 2020 (Consumer) es vulnerable a un ataque de escalada de privilegios de enlace simbólico donde un atacante podría explotar un archivo crítico en el sistema para escalar sus privilegios. Un atacante debe primero obtener la capacidad de ejecutar código poco privilegiado en el sistema objetivo para explotar esta vulnerabilidad

This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro Antivirus for Mac. 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 iTISPlugin module. By creating a symbolic link, an attacker can abuse the product to loosen permissions on a local file. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of root.

*Credits: Cees Elzinga from Danish Cyber Defence
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
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-09-18 CVE Reserved
  • 2020-10-01 CVE Published
  • 2024-08-04 CVE Updated
  • 2024-09-25 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-59: Improper Link Resolution Before File Access ('Link Following')
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"
Antivirus
Search vendor "Trendmicro" for product "Antivirus"
2019
Search vendor "Trendmicro" for product "Antivirus" and version "2019"
macos
Affected
Trendmicro
Search vendor "Trendmicro"
Antivirus
Search vendor "Trendmicro" for product "Antivirus"
2020
Search vendor "Trendmicro" for product "Antivirus" and version "2020"
macos
Affected