CVE-2020-19150 : What You Need to Know
Learn about CVE-2020-19150 affecting Jfinal CMS v4.7.1 and earlier versions. Find out how remote attackers can exploit 'FileManager.delete()' function, leading to data leaks or service disruptions.
Jfinal CMS v4.7.1 and earlier versions are affected by an Improper Access Control vulnerability that allows remote attackers to obtain sensitive information or cause a denial of service through the 'FileManager.delete()' function.
Understanding CVE-2020-19150
This CVE identifies a security issue in Jfinal CMS versions prior to v4.7.1 that can be exploited by attackers.
What is CVE-2020-19150?
The vulnerability in Jfinal CMS v4.7.1 and earlier versions enables attackers to gain unauthorized access to sensitive data or disrupt services by exploiting a specific function in the FileManagerController component.
The Impact of CVE-2020-19150
The vulnerability poses a risk of unauthorized information disclosure and potential service disruption, making it a critical issue for affected systems.
Technical Details of CVE-2020-19150
Jfinal CMS v4.7.1 and earlier versions are susceptible to exploitation due to inadequate access control mechanisms.
Vulnerability Description
The flaw allows remote attackers to exploit the 'FileManager.delete()' function in the 'modules/filemanager/FileManagerController.java' component, leading to unauthorized data access or denial of service.
Affected Systems and Versions
- Product: Jfinal CMS
- Vendor: Jfinal
- Versions: v4.7.1 and earlier
Exploitation Mechanism
Attackers can exploit the vulnerability by sending crafted requests to the 'FileManager.delete()' function, bypassing access controls and potentially causing data leaks or service disruptions.
Mitigation and Prevention
It is crucial to take immediate action to mitigate the risks associated with CVE-2020-19150.
Immediate Steps to Take
- Update Jfinal CMS to the latest version that contains a patch for the vulnerability.
- Restrict access to the FileManagerController component to authorized users only.
- Monitor system logs for any suspicious activities related to file management.
Long-Term Security Practices
- Regularly conduct security assessments and penetration testing to identify and address vulnerabilities.
- Educate developers and administrators on secure coding practices and access control mechanisms.
Patching and Updates
- Apply security patches provided by Jfinal promptly to address the vulnerability and enhance system security.