CVE-2021-24019 : Exploit Details and Defense Strategies

Fortinet FortiClientEMS versions 6.4.2 and below, 6.2.8 and below are affected by an insufficient session expiration vulnerability allowing attackers to gain admin privileges by reusing unexpired session IDs.

Understanding CVE-2021-24019

This CVE identifies an insufficient session expiration vulnerability in Fortinet FortiClientEMS that could result in privilege escalation.

What is CVE-2021-24019?

CVE-2021-24019 exposes a security flaw in Fortinet FortiClientEMS versions 6.4.2 and below, 6.2.8 and below, enabling attackers to exploit unexpired admin user session IDs.

The Impact of CVE-2021-24019

The vulnerability can be leveraged by threat actors to reuse session IDs, potentially leading to unauthorized access and compromise of admin privileges.

Technical Details of CVE-2021-24019

This section delves into the specifics of the vulnerability.

Vulnerability Description

The flaw allows attackers to reuse unexpired admin user session IDs, granting them elevated privileges.

Affected Systems and Versions

Fortinet FortiClientEMS versions 6.4.2 and below, 6.2.8 and below are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability to gain admin privileges by reusing unexpired session IDs obtained through other attacks.

Mitigation and Prevention

Discover how to address and prevent CVE-2021-24019.

Immediate Steps to Take

Organizations should implement immediate security measures to mitigate the risk of privilege escalation and unauthorized access.

Long-Term Security Practices

Establishing robust security protocols and regularly updating systems are essential for long-term protection against such vulnerabilities.

Patching and Updates

Apply relevant patches and updates released by Fortinet to address the vulnerability effectively.