Code Injection in pfsense - CVE-2021-41282
Published: February 23, 2022 / Updated: May 12, 2022
Vulnerability identifier: #VU60833
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-41282
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation in the sed utility. A remote user can send a specially crafted request and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
pfsense
How to mitigate CVE-2021-41282
Install updates from vendor's website.
pfsense - update to 2.6.0