S4E

CVE-2021-41282 Scanner

Detects 'Code Injection' vulnerability in pfSense affects v. 2.5.2.

Short Info


Level

High

Single Scan

Single Scan

Can be used by

Asset Owner

Estimated Time

10 seconds

Time Interval

1 month 3 days

Scan only one

Domain, IPv4

Toolbox

-

PfSense is a popular firewall that is widely used across different industries and is known for its reliability and security. It is a free and open-source firewall that is designed to protect networks from unauthorized access and ensure the reliable flow of data. In addition to its core firewall functionality, PfSense also offers a range of other features such as VPN, traffic shaping, and proxy capabilities, making it a robust and versatile solution for network security.

The CVE-2021-41282 vulnerability was recently discovered in PfSense 2.5.2, which is concerning as it allows for sed data injection. Despite the fact that the escapeshellarg function is being used for argument protection, the vulnerability still allows for the injection of sed-specific code and the writing of arbitrary files in arbitrary locations. This flaw enables authenticated users to view data about the routes set in the firewall, making it a serious security concern for users of the platform.

If this vulnerability is exploited, it can lead to highly concerning consequences such as unauthorized access and exploitation of the network, data loss, and system compromise. Cybercriminals can use this vulnerability to execute arbitrary code with elevated privileges, leading to the potential disclosure of sensitive information or complete control of the affected system. The CVE-2021-41282 vulnerability can also be used in combination with other vulnerabilities to create complex and highly damaging attacks.

Thanks to pro features of the s4e.io platform, individuals and businesses can rest assured that their digital assets are well protected. The platform offers comprehensive vulnerability scanning, risk assessment, and remediation capabilities to ensure that users are aware of any vulnerabilities in their systems and are equipped with the tools to address them quickly and efficiently. With s4e.io, users can enjoy peace of mind knowing that their cybersecurity is in good hands.

 

REFERENCES

Get started to protecting your Free Full Security Scan