CVE-2021-43437: High severity engineers online portal vulnerability
In sourcecodetester Engineers Online Portal as of 10-21-21, an attacker can manipulate the Host header as seen by the web application and cause the application to behave in unexpected ways. Very often multiple websites are hosted on the same IP address. This is where the Host Header comes in. This header specifies which website should process the HTTP request. The web server uses the value of this header to dispatch the request to the specified website. Each website hosted on the same IP address is called a virtual host. And It's possible to send requests with arbitrary Host Headers to the first virtual host.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2021-43437?
CVE-2021-43437 is a vulnerability in the sourcecodetester Engineers Online Portal that allows an attacker to manipulate the Host header and cause the application to behave unexpectedly.
How does CVE-2021-43437 affect the sourcecodetester Engineers Online Portal?
CVE-2021-43437 allows an attacker to manipulate the Host header, potentially causing the application to behave in unexpected ways.
What is the severity of CVE-2021-43437?
CVE-2021-43437 has a severity score of 8.8 (high).
How can an attacker exploit CVE-2021-43437?
An attacker can exploit CVE-2021-43437 by manipulating the Host header in requests sent to the sourcecodetester Engineers Online Portal.
Is there a fix for CVE-2021-43437?
At the moment, there is no known fix for CVE-2021-43437. It is recommended to follow best security practices and keep the software up to date.