CVE-2021-36041 Explained : Impact and Mitigation
Learn about CVE-2021-36041 affecting Magento Commerce versions 2.4.2, 2.4.2-p1, and 2.3.7. Understand the critical vulnerability, its impact, and mitigation steps to prevent remote code execution.
Magento Commerce versions 2.4.2 (and earlier), 2.4.2-p1 (and earlier) and 2.3.7 (and earlier) are affected by an improper input validation vulnerability. An attacker with admin privileges could upload a specially crafted file in the 'pub/media' directory, leading to remote code execution.
Understanding CVE-2021-36041
This CVE involves an improper input validation vulnerability in Magento Commerce, allowing an attacker with admin privileges to execute remote code.
What is CVE-2021-36041?
CVE-2021-36041 is a security vulnerability in Magento Commerce versions 2.4.2, 2.4.2-p1, and 2.3.7 that enables a threat actor to upload malicious files and trigger remote code execution.
The Impact of CVE-2021-36041
The vulnerability carries a CVSS base score of 9.1 (Critical severity) with a high impact on confidentiality, integrity, and availability. Exploitation could result in unauthorized remote access and data compromise.
Technical Details of CVE-2021-36041
The vulnerability involves an improper input validation issue in Magento Commerce, potentially leading to remote code execution.
Vulnerability Description
By exploiting this vulnerability, an attacker with admin privileges could upload a specially crafted file to the 'pub/media' directory, allowing remote code execution.
Affected Systems and Versions
Magento Commerce versions 2.4.2, 2.4.2-p1, and 2.3.7 are confirmed to be affected by this vulnerability.
Exploitation Mechanism
The attacker needs admin privileges to upload a malicious file to the 'pub/media' directory, leveraging the lack of proper input validation to execute remote code.
Mitigation and Prevention
To safeguard systems from CVE-2021-36041, immediate action and long-term security practices are essential.
Immediate Steps to Take
Update Magento Commerce to the latest patched version, restrict admin privileges, and monitor the 'pub/media' directory for suspicious files.
Long-Term Security Practices
Implement regular security audits, educate administrators on secure practices, and maintain system monitoring to detect unauthorized activities.
Patching and Updates
Stay informed about security updates from Adobe and regularly apply patches to eliminate vulnerabilities.