CVE-2020-17563 : Security Advisory and Response
Discover the impact of CVE-2020-17563, a Path Traversal vulnerability in FeiFeiCMS v4.0 allowing remote attackers to delete files. Learn mitigation steps and prevention measures.
FeiFeiCMS v4.0 is susceptible to a Path Traversal vulnerability that enables remote attackers to delete arbitrary files by exploiting a crafted HTTP request.
Understanding CVE-2020-17563
This CVE entry describes a security issue in FeiFeiCMS v4.0 that allows attackers to manipulate file deletion through a specific HTTP request.
What is CVE-2020-17563?
The CVE-2020-17563 vulnerability involves a Path Traversal flaw in FeiFeiCMS v4.0, enabling malicious actors to delete files by sending a specially crafted HTTP request to '/index.php?s=/admin-tpl-del&id='.
The Impact of CVE-2020-17563
This vulnerability can have severe consequences as attackers can delete critical files, leading to data loss, system instability, and potential unauthorized access.
Technical Details of CVE-2020-17563
FeiFeiCMS v4.0's vulnerability details and its impact on systems.
Vulnerability Description
The flaw in FeiFeiCMS v4.0 allows remote attackers to delete arbitrary files by exploiting a crafted HTTP request to '/index.php?s=/admin-tpl-del&id='.
Affected Systems and Versions
- Affected Version: FeiFeiCMS v4.0
- Other versions may also be impacted, so caution is advised.
Exploitation Mechanism
Attackers can exploit this vulnerability by sending a specifically designed HTTP request to the mentioned path, leading to unauthorized file deletions.
Mitigation and Prevention
Steps to mitigate and prevent exploitation of CVE-2020-17563.
Immediate Steps to Take
- Implement input validation to prevent malicious inputs in HTTP requests.
- Regularly monitor file systems for unauthorized changes.
- Apply security patches or updates provided by the vendor.
Long-Term Security Practices
- Conduct regular security audits to identify vulnerabilities.
- Educate users on safe browsing practices and potential risks.
- Employ network and application firewalls to filter malicious traffic.
Patching and Updates
- Stay informed about security updates from FeiFeiCMS.
- Apply patches promptly to address known vulnerabilities and enhance system security.