CVE-2021-39500 : What You Need to Know
Discover the impact of CVE-2021-39500 on Eyoucms 1.5.4. Learn about affected systems, exploitation risks, and mitigation steps to prevent unauthorized file accesses.
Eyoucms 1.5.4 is vulnerable to Directory Traversal. Learn about the impact, affected systems, exploitation mechanism, and mitigation steps.
Understanding CVE-2021-39500
Eyoucms 1.5.4 is affected by a Directory Traversal vulnerability due to insufficient input data sanitization.
What is CVE-2021-39500?
This CVE describes a vulnerability in Eyoucms 1.5.4 that allows attackers to perform Directory Traversal by injecting '../' in certain parameters.
The Impact of CVE-2021-39500
The vulnerability enables attackers to escape the current directory and write files to writable directories, potentially leading to unauthorized access and data manipulation.
Technical Details of CVE-2021-39500
Eyoucms 1.5.4 vulnerability details and affected systems.
Vulnerability Description
- Vulnerability Type: Directory Traversal
- Vulnerable Version: 1.5.4
- Input Data Sanitization: Insufficient
Affected Systems and Versions
- Affected Product: Eyoucms
- Version: 1.5.4
Exploitation Mechanism
- Attack Vector: Injecting '../' in parameters like tpldir, filename, type, and nid
Mitigation and Prevention
Protect your systems from CVE-2021-39500.
Immediate Steps to Take
- Update Eyoucms to a secure version
- Implement strict input validation to prevent directory traversal
Long-Term Security Practices
- Conduct regular security assessments
- Train staff on secure coding practices
- Monitor and analyze logs for suspicious activities
Patching and Updates
- Follow vendor patches and security advisories for the latest fixes