CVE-2021-43437 Other in n/a
Attackers can manipulate the Host header in Engineers Online Portal to cause unexpected application behavior and potential security bypasses.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-43437?
CVE-2021-43437 is a high-severity vulnerability in n/a, published on 20 Dec 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-74
Which versions are affected by CVE-2021-43437?
It affects 1 product.
Products include Engineers Online Portal Project Engineers Online Portal.
How do I fix CVE-2021-43437?
No fix has been published for CVE-2021-43437 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-43437 being exploited?
There is no known exploitation of CVE-2021-43437 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-xx33-26x2-m77p.