SCIMono before version 0.0.19 allows remote code execution, impacting system availability and integrity. Learn about the impact, technical details, and mitigation steps.
SCIMono before version 0.0.19 is vulnerable to remote code execution, allowing attackers to inject and execute Java expressions, compromising system availability and integrity.
Understanding CVE-2021-21479
This CVE-2021-21479 impacts SCIMono, a product by SAP SE, with affected versions below 0.0.19.
What is CVE-2021-21479?
In SCIMono versions prior to 0.0.19, attackers can inject and execute Java expressions, posing a threat to system availability and integrity.
The Impact of CVE-2021-21479
The vulnerability allows for remote code execution, with an overall CVSS base score of 8.1 (High severity). It has a low attack complexity and requires no privileges to exploit, impacting system availability and integrity.
Technical Details of CVE-2021-21479
This section covers details about the vulnerability, affected systems, and the exploitation mechanism.
Vulnerability Description
The vulnerability in SCIMono enables attackers to inject and execute Java expressions, leading to potential exploitation and compromise of the system.
Affected Systems and Versions
SCIMono versions prior to 0.0.19 are affected by this vulnerability, exposing them to the risk of remote code execution.
Exploitation Mechanism
Attackers can exploit this vulnerability over a network without requiring any special privileges, resulting in a high impact on the system integrity and availability.
Mitigation and Prevention
Learn about the immediate steps to take and best practices for enhancing long-term security.
Immediate Steps to Take
It is crucial to update SCIMono to version 0.0.19 or higher to mitigate the risk of remote code execution. Implement network security measures to prevent unauthorized access.
Long-Term Security Practices
Regularly monitor and patch systems, conduct security audits, and educate users on safe coding practices to prevent similar vulnerabilities in the future.
Patching and Updates
Stay informed about security advisories from SAP SE, apply patches promptly, and invest in ongoing security training for development and IT teams.