#VU59056 Buffer overflow in Apache HTTP Server

Published: 2021-12-20 | Updated: 2022-01-12

Vulnerability identifier: #VU59056

Vulnerability risk: Critical


CVE-ID: CVE-2021-44790


Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apache HTTP Server
Server applications / Web servers

Vendor: Apache Foundation


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when parsing multipart content in mod_lua. A remote attacker can send a specially crafted HTTP request to the affected web server, trigger buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Install updates from vendor's website.

Vulnerable software versions

Apache HTTP Server: 2.4 - 2.4.51


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Q & A

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