CVE-2021-46820 : What You Need to Know
Learn about CVE-2021-46820, an Arbitrary File Deletion vulnerability in XOS-Shop xos_shop_system 1.0.9 via the current_manufacturer_image parameter. Discover impacts, affected systems, exploitation, and mitigation steps.
This CVE describes an Arbitrary File Deletion vulnerability in XOS-Shop xos_shop_system 1.0.9 via the current_manufacturer_image parameter to /shop/admin/categories.php.
Understanding CVE-2021-46820
What is CVE-2021-46820?
CVE-2021-46820 exposes a vulnerability in XOS-Shop xos_shop_system 1.0.9 that allows attackers to delete arbitrary files through a specific parameter.
The Impact of CVE-2021-46820
This vulnerability can be exploited to delete crucial system files or data, leading to data loss, service disruption, or unauthorized access.
Technical Details of CVE-2021-46820
Vulnerability Description
The vulnerability lies in the current_manufacturer_image parameter of XOS-Shop xos_shop_system 1.0.9, enabling unauthorized file deletion.
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Version: 1.0.9
Exploitation Mechanism
The vulnerability is exploited by manipulating the current_manufacturer_image parameter in /shop/admin/categories.php to delete files arbitrarily.
Mitigation and Prevention
Immediate Steps to Take
- Update to a patched version of XOS-Shop xos_shop_system to mitigate the vulnerability.
- Implement strict input validation and access controls to prevent unauthorized file operations.
Long-Term Security Practices
- Regularly monitor and audit file operations to detect any unusual activities.
- Educate users on safe file handling practices to reduce the risk of file deletion attacks.
Patching and Updates
Apply security patches promptly and keep the system up to date to address known vulnerabilities.