CVE-2021-31632 : Vulnerability Insights and Analysis

A SQL injection vulnerability was discovered in b2evolution CMS v7.2.3, allowing attackers to execute arbitrary code via a crafted input.

Understanding CVE-2021-31632

This CVE refers to a security flaw in b2evolution CMS v7.2.3 that enables attackers to perform SQL injection attacks through a specific parameter.

What is CVE-2021-31632?

The CVE-2021-31632 is a vulnerability found in b2evolution CMS v7.2.3 that could be exploited by malicious actors to run arbitrary code by manipulating user input in the User login section.

The Impact of CVE-2021-31632

This security issue poses a significant risk as it allows threat actors to execute unauthorized commands within the affected system, potentially leading to data breaches or system compromise.

Technical Details of CVE-2021-31632

The technical details involve understanding the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The flaw exists in the handling of the cfqueryparam parameter in the User login section of b2evolution CMS v7.2.3, which lacks proper input validation, enabling SQL injection attacks.

Affected Systems and Versions

This vulnerability impacts all instances running b2evolution CMS version 7.2.3.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious SQL code through the compromised parameter, gaining unauthorized access and control over the system.

Mitigation and Prevention

To address CVE-2021-31632, immediate action and long-term security practices are crucial to mitigate risks and enhance system security.

Immediate Steps to Take

Update b2evolution CMS to the latest patched version to eliminate the vulnerability.
Implement strict input validation mechanisms to prevent SQL injection attacks.

Long-Term Security Practices

Regularly monitor and audit user inputs for potential malicious content.
Educate users on secure coding practices and awareness of SQL injection risks.

Patching and Updates

Stay informed about security updates and patches released by the software vendor. Timely application of patches is essential to safeguard against known vulnerabilities.