CVE-2021-26098 : Security Advisory and Response
Discover the details of CVE-2021-26098, a vulnerability in Fortinet FortiSandbox before 4.0.0, allowing attackers to predict valid session IDs. Learn how to mitigate this issue.
A vulnerability has been identified in Fortinet FortiSandbox before version 4.0.0 that could allow an attacker to predict valid session IDs with limited information. Here's what you need to know about CVE-2021-26098.
Understanding CVE-2021-26098
This section delves into the details of the CVE-2021-26098 vulnerability.
What is CVE-2021-26098?
CVE-2021-26098 is a vulnerability found in the RPC API of Fortinet's FortiSandbox platform before version 4.0.0. It arises from a small space of random values, enabling attackers to potentially predict valid session IDs with minimal knowledge of the device's state.
The Impact of CVE-2021-26098
The impact of this vulnerability is classified as medium severity with high confidentiality implications. The attack complexity is high, with low privileges required. There is proof of concept exploit code available.
Technical Details of CVE-2021-26098
This section provides a deeper look into the technical aspects of CVE-2021-26098.
Vulnerability Description
The vulnerability stems from improper access control within the RPC API of FortiSandbox before version 4.0.0, allowing attackers to potentially predict valid session IDs.
Affected Systems and Versions
Fortinet's FortiSandbox before version 4.0.0 is affected by this vulnerability.
Exploitation Mechanism
Attackers in possession of limited information about the device's state can exploit this vulnerability to predict valid session IDs.
Mitigation and Prevention
Learn about the steps to mitigate and prevent exploitation of CVE-2021-26098.
Immediate Steps to Take
It is recommended to update FortiSandbox to version 4.0.0 or later to mitigate this vulnerability. Additionally, monitor network traffic for any suspicious activities.
Long-Term Security Practices
Maintain regular security audits and keep systems up to date to prevent similar vulnerabilities in the future.
Patching and Updates
Stay informed about security patches from Fortinet and apply them promptly to protect your system from potential exploits.