Inconsistent interpretation of HTTP requests in Apache HTTP Server - CVE-2022-22720

 

Inconsistent interpretation of HTTP requests in Apache HTTP Server - CVE-2022-22720

Published: March 14, 2022 / Updated: October 2, 2024


Vulnerability identifier: #VU61286
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-22720
CWE-ID: CWE-444
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Apache Foundation
Affected software:
Apache HTTP Server

Detailed vulnerability description

The vulnerability allows a remote attacker to preform HTTP request smuggling attacks.

The vulnerability exists due to improper validation of HTTP requests. A remote attacker can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers.

Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.


How to mitigate CVE-2022-22720

Install updates from vendor's website.

Sources