CVE-2021-36190 : What You Need to Know
Learn about CVE-2021-36190 impacting Fortinet FortiWeb versions. Find out how attackers exploit this vulnerability and the necessary steps to mitigate it.
A detailed overview of CVE-2021-36190 affecting Fortinet FortiWeb versions.
Understanding CVE-2021-36190
This CVE involves an unintended proxy or intermediary ('confused deputy') in Fortinet FortiWeb versions allowing unauthenticated attackers access to protected hosts.
What is CVE-2021-36190?
The vulnerability in Fortinet FortiWeb versions 6.4.1 and below, 6.3.15 and below enables unauthenticated attackers to reach protected hosts through crafted HTTP requests.
The Impact of CVE-2021-36190
With a CVSS base score of 5.2, this medium-severity vulnerability can be exploited by low-privileged attackers in adjacent network proximity, impacting confidentiality, integrity, and availability.
Technical Details of CVE-2021-36190
This section delves into the specific technical aspects of the CVE.
Vulnerability Description
The flaw in Fortinet FortiWeb versions allows unauthenticated attackers to act as confused deputies, accessing protected hosts via manipulated HTTP requests.
Affected Systems and Versions
Fortinet FortiWeb versions 6.4.1 and below, as well as 6.3.15 and below, are vulnerable to this exploit.
Exploitation Mechanism
Attackers can exploit this vulnerability by sending carefully crafted HTTP requests to the impacted FortiWeb versions.
Mitigation and Prevention
Discover the steps to mitigate the risks of CVE-2021-36190 and prevent future vulnerabilities.
Immediate Steps to Take
To address this issue, users should consider implementing network security measures and monitoring for any suspicious behavior.
Long-Term Security Practices
Establishing proper access controls and regularly updating security systems are crucial for long-term protection against such vulnerabilities.
Patching and Updates
Ensure timely installation of security patches released by Fortinet to address this vulnerability.