CVE-2020-11455 : What You Need to Know

LimeSurvey before 4.1.12+200324 contains a path traversal vulnerability in application/controllers/admin/LimeSurveyFileManager.php.

Understanding CVE-2020-11455

This CVE involves a path traversal vulnerability in LimeSurvey before version 4.1.12+200324.

What is CVE-2020-11455?

The vulnerability exists in the LimeSurveyFileManager.php file within the admin controllers, allowing attackers to traverse file paths.

The Impact of CVE-2020-11455

Attackers can exploit this vulnerability to access sensitive files on the server.
Unauthorized disclosure of information and potential data manipulation are possible consequences.

Technical Details of CVE-2020-11455

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The path traversal vulnerability in LimeSurveyFileManager.php allows malicious actors to navigate outside of the intended directory structure.

Affected Systems and Versions

LimeSurvey versions before 4.1.12+200324 are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this flaw by manipulating file paths to access files outside the designated directory.

Mitigation and Prevention

Protecting systems from CVE-2020-11455 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update LimeSurvey to version 4.1.12+200324 or later to mitigate the vulnerability.
Monitor file access and restrict permissions to prevent unauthorized file traversal.

Long-Term Security Practices

Implement secure coding practices to avoid path traversal vulnerabilities in applications.
Regularly scan and audit applications for security flaws to prevent similar issues.

Patching and Updates

Stay informed about security updates and patches released by LimeSurvey to address vulnerabilities like CVE-2020-11455.