CVE-2021-41381 Explained : Impact and Mitigation

Payara Micro Community 5.2021.6 and below allows Directory Traversal.

Understanding CVE-2021-41381

Payara Micro Community version 5.2021.6 and below is affected by a Directory Traversal vulnerability that could allow an attacker to navigate outside of the intended directory.

What is CVE-2021-41381?

The CVE-2021-41381 vulnerability in Payara Micro Community allows malicious actors to traverse directories and access files that are outside the restricted directory.

The Impact of CVE-2021-41381

This vulnerability can be exploited by attackers to view sensitive information, potentially leading to unauthorized access and data disclosure.

Technical Details of CVE-2021-41381

The following technical details outline the specifics of the CVE-2021-41381 vulnerability.

Vulnerability Description

The vulnerability in Payara Micro Community 5.2021.6 and below allows for Directory Traversal, enabling attackers to navigate outside the intended directory structure.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Vulnerable Version: Payara Micro Community 5.2021.6 and below

Exploitation Mechanism

The vulnerability can be exploited by crafting specific requests to traverse directories and access files outside the intended structure.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the CVE-2021-41381 vulnerability.

Immediate Steps to Take

Apply patches or updates provided by Payara to fix the Directory Traversal vulnerability.
Implement proper input validation to sanitize user-controlled input and prevent malicious directory traversal.

Long-Term Security Practices

Conduct regular security assessments and audits to identify and address vulnerabilities promptly.
Educate developers and system administrators on secure coding practices to prevent similar vulnerabilities.

Patching and Updates

Regularly check for security advisories from Payara and apply patches promptly to secure your systems.