CVE-2021-42671 Explained : Impact and Mitigation
Learn about CVE-2021-42671, a vulnerability in Sourcecodester Engineers Online Portal in PHP that allows unauthorized access to uploaded files. Find mitigation steps and prevention measures.
An incorrect access control vulnerability exists in Sourcecodester Engineers Online Portal in PHP, allowing unauthorized access to uploaded files.
Understanding CVE-2021-42671
What is CVE-2021-42671?
This CVE describes a vulnerability in the Sourcecodester Engineers Online Portal in PHP that enables attackers to bypass access controls, leading to unauthorized access to all uploaded files.
The Impact of CVE-2021-42671
The vulnerability allows attackers to access files on the web server without authentication or authorization, potentially exposing sensitive information.
Technical Details of CVE-2021-42671
Vulnerability Description
The flaw resides in nia_munoz_monitoring_system/admin/uploads, enabling attackers to bypass access controls.
Affected Systems and Versions
- Affected system: Sourcecodester Engineers Online Portal in PHP
- Affected version: not specified
Exploitation Mechanism
Attackers exploit the vulnerability to bypass access controls and gain unauthorized access to all uploaded files.
Mitigation and Prevention
Immediate Steps to Take
- Apply the latest patches provided by the vendor
- Restrict access to sensitive directories
- Monitor file access and detect unauthorized activities
Long-Term Security Practices
- Regularly update and patch software systems
- Implement proper access controls and authentication mechanisms
Patching and Updates
- Sourcecodester should release a patch addressing the access control issue