CVE-2021-23262 : Vulnerability Insights and Analysis
Learn about CVE-2021-23262 affecting Crafter CMS, allowing authenticated admins to execute remote code. Find details on impact, technical insights, and mitigation steps.
A detailed overview of CVE-2021-23262, a vulnerability in Crafter CMS that allows authenticated administrators to execute remote code.
Understanding CVE-2021-23262
This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-23262.
What is CVE-2021-23262?
The vulnerability CVE-2021-23262 affects Crafter CMS, allowing authenticated administrators to modify the main YAML configuration file and load a Java class, resulting in Remote Code Execution (RCE).
The Impact of CVE-2021-23262
The impact of this vulnerability is rated as MEDIUM with a CVSS base score of 4.2. It has a high attack complexity and can lead to significant availability impact.
Technical Details of CVE-2021-23262
In this section, we delve into the vulnerability description, affected systems, and exploitation mechanism associated with CVE-2021-23262.
Vulnerability Description
The vulnerability arises from improper control of dynamically-managed code resources, leading to the execution of unauthorized Java classes.
Affected Systems and Versions
Crafter CMS versions prior to 3.1.13 are affected by this vulnerability, specifically version 3.1 with a custom version type.
Exploitation Mechanism
Authenticated administrators can exploit this vulnerability by manipulating the main YAML configuration file to load and execute a malicious Java class.
Mitigation and Prevention
This section highlights immediate steps to secure systems, as well as long-term security practices and the importance of applying patches and updates.
Immediate Steps to Take
Administrators should restrict access to configuration files, monitor for unauthorized modifications, and update to the latest Crafter CMS version.
Long-Term Security Practices
Implement strong authentication mechanisms, conduct regular security audits, and educate users on safe configuration practices.
Patching and Updates
Crafter Software has released version 3.1.13 to address this vulnerability. It is crucial to promptly update to the patched version to mitigate the risk of exploitation.