#VU93540 Input validation error in Apache HTTP Server - CVE-2024-38473
Published: July 1, 2024 / Updated: August 30, 2024
Vulnerability identifier: #VU93540
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2024-38473
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerable software:
Apache HTTP Server
Apache HTTP Server
Software vendor:
Apache Foundation
Apache Foundation
Description
The vulnerability allows a remote attacker to bypass authentication.
The vulnerability exists due to insufficient validation of user-supplied input when handling incorrect encoding in mod_proxy. A remote attacker can force the web server to pass request URLs with incorrect encoding to backend services.
Remediation
Install updates from vendor's website.