QID 150520

Date Published: 2022-06-01

QID 150520: Web Server Information Disclosure

The target application discloses the Web Server software version via the "Server:" token sent in HTTP response header.

QID Detection Logic:
This QID sends a GET request to the target application and determines the Web Server version disclosed in the "Server:" token.

Revealing the specific software version of the server may allow the server machine to become more vulnerable to attacks against software that is known to contain security holes.

CVSS V3 rated as High - 7.5 severity.

CVSS V2 rated as Medium - 5 severity.

Solution

Customers are advised to modify the HTTP response header of the target application to not disclose detailed information about the underlying web server. Server implementers are encouraged to make this field a configurable option.

Vendor References

CVEs related to QID 150520

Software Advisories

Advisory ID	Software	Component	Link

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