CVE-2021-36187 : Vulnerability Insights and Analysis
Discover the impact of CVE-2021-36187, a vulnerability in Fortinet FortiWeb versions 6.4.0 and below allowing attackers to trigger a denial of service through crafted HTTP requests. Learn about mitigation steps and prevention measures.
A vulnerability in Fortinet FortiWeb versions 6.4.0 and below allows attackers to perform a denial of service attack on the webserver daemon through crafted HTTP requests.
Understanding CVE-2021-36187
This section provides insights into the nature and impact of the CVE-2021-36187 vulnerability.
What is CVE-2021-36187?
CVE-2021-36187 is a vulnerability in Fortinet FortiWeb versions 6.4.0 and below that enables attackers to trigger a denial of service by exploiting uncontrolled resource consumption.
The Impact of CVE-2021-36187
The vulnerability poses a medium severity threat with a CVSS base score of 5.0. Attackers can cause a denial of service on the webserver daemon, affecting its availability.
Technical Details of CVE-2021-36187
In this section, we delve into the specifics of the vulnerability including its description, affected systems, and exploitation mechanism.
Vulnerability Description
A flaw in Fortinet FortiWeb versions 6.4.0 and below leads to uncontrolled resource consumption, enabling attackers to disrupt the webserver daemon by sending specially crafted HTTP requests.
Affected Systems and Versions
Fortinet FortiWeb versions 6.4.0, 6.3.15, and below are impacted by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by sending malicious HTTP requests to the affected FortiWeb versions, leading to denial of service.
Mitigation and Prevention
This section outlines the steps to mitigate the impact of CVE-2021-36187 and prevent future occurrences.
Immediate Steps to Take
It is recommended to update Fortinet FortiWeb to a patched version that addresses the vulnerability. Additionally, monitor and restrict HTTP traffic to mitigate exploitation risks.
Long-Term Security Practices
Implementing network security measures, conducting regular security assessments, and staying informed about software updates are crucial for long-term security.
Patching and Updates
Regularly apply patches and updates provided by Fortinet to ensure the security of FortiWeb and protect against potential threats.