#VU57127 OS Command Injection in Apache HTTP Server - CVE-2021-42013

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Main Vulnerability Database Vulnerabilities #VU57127

#VU57127 OS Command Injection in Apache HTTP Server - CVE-2021-42013

Published: October 7, 2021 / Updated: April 30, 2023


Vulnerability identifier: #VU57127
Vulnerability risk: Critical
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red
CVE-ID: CVE-2021-42013
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vulnerable software:
Apache HTTP Server
Software vendor:
Apache Foundation

Description

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

The vulnerability exists due to insufficient fix for the path traversal vulnerability #VU57063 (CVE-2021-41733). A remote unauthenticated attacker can send a specially crafted HTTP request to the affected server and execute arbitrary OS commands on the target system.

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


Remediation

Install update from vendor's website.

External links