CVE-2020-9287 : Vulnerability Insights and Analysis

Fortinet FortiClient EMS online installer 6.2.1 and below is affected by an Unsafe Search Path vulnerability that may allow local attackers to execute arbitrary code on the system.

Understanding CVE-2020-9287

This CVE identifies a security issue in Fortinet FortiClient EMS.

What is CVE-2020-9287?

An Unsafe Search Path vulnerability in FortiClient EMS online installer 6.2.1 and below enables local attackers to execute arbitrary code by manipulating the directory where specific files are located.

The Impact of CVE-2020-9287

The vulnerability could lead to unauthorized code execution by attackers with directory control, potentially compromising system integrity and security.

Technical Details of CVE-2020-9287

Fortinet FortiClient EMS is susceptible to the following:

Vulnerability Description

Attackers with directory control can upload malicious Filter Library DLL files to execute arbitrary code.

Affected Systems and Versions

Product: Fortinet FortiClient EMS
Vendor: Fortinet
Versions affected: 6.2.1 and below

Exploitation Mechanism

Local attackers exploit the directory where FortiClientEMSOnlineInstaller.exe is located to execute unauthorized code.

Mitigation and Prevention

Steps to address and prevent exploitation of CVE-2020-9287:

Immediate Steps to Take

Update Fortinet FortiClient EMS to a secure version.
Restrict access to directories containing critical files.
Monitor file uploads and executions for suspicious activities.

Long-Term Security Practices

Implement least privilege access controls.
Conduct regular security audits and vulnerability assessments.
Educate users on safe file handling practices.

Patching and Updates

Apply patches and updates provided by Fortinet to address the vulnerability.