CVE-2021-32538 : Security Advisory and Response
Learn about CVE-2021-32538, a critical vulnerability in ARTWARE CMS allowing remote attackers to upload arbitrary files and execute code without authentication. Find out the impact, affected systems, and mitigation steps.
A critical vulnerability has been identified in ARTWARE CMS, allowing remote attackers to upload arbitrary files and execute code without authentication.
Understanding CVE-2021-32538
This CVE involves the unrestricted upload of files in ARTWARE CMS, posing a serious security risk to affected systems.
What is CVE-2021-32538?
The vulnerability in ARTWARE CMS allows remote attackers to upload any type of file through the image upload function without proper filtering, enabling them to execute malicious code without authentication.
The Impact of CVE-2021-32538
With a CVSS base score of 9.8, this critical vulnerability has a high impact on confidentiality, integrity, and availability, as attackers can upload malicious files and execute arbitrary code without any user interaction or privileges.
Technical Details of CVE-2021-32538
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The issue lies in the parameter of the image upload function in ARTWARE CMS, where the system fails to filter the type of files uploaded, leading to unauthorized file uploads and code execution.
Affected Systems and Versions
ARTWARE CMS versions up to and including 2021/1/8 are affected by this vulnerability.
Exploitation Mechanism
Remote attackers can exploit this vulnerability by uploading specially crafted files through the image upload function, bypassing authentication requirements.
Mitigation and Prevention
To address CVE-2021-32538, immediate action should be taken to mitigate the risks and prevent potential exploitation.
Immediate Steps to Take
Users of ARTWARE CMS should contact technical support from ARTWARE for guidance on securing their systems and mitigating the vulnerability.
Long-Term Security Practices
Regular security assessments, code reviews, and user access controls can help prevent similar vulnerabilities in the future.
Patching and Updates
It is crucial to apply security patches and updates provided by ARTWARE to address this vulnerability and enhance the overall security posture of the CMS.