CVE-2021-1728 in System Center
Summary
by MITRE • 02/26/2021
System Center Operations Manager Elevation of Privilege Vulnerability
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 02/26/2021
This vulnerability affects Microsoft System Center Operations Manager which is a comprehensive monitoring solution for enterprise environments. The elevation of privilege flaw allows authenticated attackers with limited access to escalate their privileges to system level access within the monitored environment. This represents a critical security weakness that could enable adversaries to gain unauthorized control over critical infrastructure components.
The technical implementation involves a privilege escalation mechanism within the operations manager's authentication and authorization framework. Attackers can exploit this vulnerability by leveraging existing valid credentials to perform actions that should be restricted to administrative users. The flaw stems from insufficient input validation and improper access controls in the system's privilege management subsystem, allowing malicious actors to bypass normal security boundaries and execute privileged operations.
The operational impact of this vulnerability extends beyond simple privilege escalation as it provides attackers with potential access to sensitive monitoring data, configuration settings, and system resources that are typically protected. Organizations using System Center Operations Manager may face significant risks including data breaches, system compromise, and disruption of critical infrastructure monitoring capabilities. The vulnerability particularly affects environments where operations manager is used for monitoring mission-critical systems such as databases, web servers, and network devices.
Security professionals should implement immediate mitigations including applying Microsoft security patches, reviewing user access controls, and implementing network segmentation to limit the potential impact of exploitation. The vulnerability aligns with CWE-276 which addresses improper privileges and ATT&CK technique T1068 which covers privilege escalation through legitimate system tools. Organizations should also conduct comprehensive security assessments to identify any unauthorized access that may have occurred and strengthen their overall security posture through multi-factor authentication and principle of least privilege enforcement.
Additional protective measures include monitoring for suspicious privilege escalation activities, implementing strict audit logging, and ensuring that only necessary users have access to operations manager administrative functions. Regular vulnerability scanning should be conducted to identify similar weaknesses in the broader infrastructure ecosystem. The incident response plan should include specific procedures for handling privilege escalation attempts and ensuring proper containment of affected systems.