Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Engineers Online Portal Project | Engineers Online Portal | 1.0 |
Related Weaknesses (CWE)
References
- https://medium.com/%40mayhem7999/cve-2021-43437-5c5e3b977e84
- https://portswigger.net/web-security/host-headerThird Party Advisory
- https://medium.com/%40mayhem7999/cve-2021-43437-5c5e3b977e84
- https://portswigger.net/web-security/host-headerThird Party Advisory
FAQ
What is CVE-2021-43437?
CVE-2021-43437 is a vulnerability with a CVSS score of 8.8 (HIGH). 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...
How severe is CVE-2021-43437?
CVE-2021-43437 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-43437?
Check the references section above for vendor advisories and patch information. Affected products include: Engineers Online Portal Project Engineers Online Portal.