QID 730210

Date Published: 2021-09-23

QID 730210: Apache Hypertext Transfer Protocol Server (HTTP Server) HTTP/2 Method Injection Vulnerability

Apache HTTP Server is a free and open-source cross-platform web server software, released under the terms of Apache License 2.0.

A crafted method sent through HTTP/2 will bypass validation and be forwarded by mod_proxy, which can lead to request splitting or cache poisoning.

Affected Versions:
Apache HTTP Server 2.4.17 to 2.4.48.

QID Detection Logic:(Unauthenticated)
This QID checks for server banner to detect if the target is running vulnerable version of apache httpd.

Successful exploitation of this vulnerability may allow request splitting or cache poisoning.

CVSS V3 rated as High - 7.5 severity.

CVSS V2 rated as Medium - 5 severity.

Solution

Customers are advised to update to Apache HTTP Server 2.4.49 or later. For more information, check Apache Security Advisory.

Vendor References

Apache HTTP Server Security Advisory - httpd.apache.org/security/vulnerabilities_24.html

CVEs related to QID 730210

CVE-2021-33193 |

Software Advisories

Advisory ID	Software	Component	Link
NA			httpd.apache.org/security/vulnerabilities_24.html

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