CVE-2021-27192 in Vision Pro
Summary
by MITRE • 03/25/2021
Local privilege escalation vulnerability in Windows clients of Netop Vision Pro up to and including 9.7.1 allows a local user to gain administrator privileges whilst using the clients.
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Analysis
by VulDB Data Team • 04/05/2021
The vulnerability identified as CVE-2021-27192 represents a critical local privilege escalation flaw within Netop Vision Pro client software versions 9.7.1 and earlier. This security weakness specifically targets Windows client systems and enables a local attacker to elevate their privileges to administrator level, potentially compromising the entire system. The vulnerability stems from improper privilege handling within the client application's execution environment, creating a pathway for unauthorized users to bypass standard access controls and gain elevated system permissions. The flaw exists in the client-side component of the Netop Vision Pro software suite, which is commonly deployed in enterprise environments for remote desktop and system management purposes.
The technical implementation of this vulnerability involves a privilege escalation mechanism that allows a local user to execute malicious code with elevated privileges. The flaw likely occurs through improper access control checks or insufficient validation of user permissions within the application's runtime environment. Attackers can exploit this weakness by leveraging the existing user session to execute code that modifies system-level components or accesses restricted resources. This type of vulnerability typically manifests when the application fails to properly enforce the principle of least privilege, allowing a user with standard permissions to perform operations that should require administrative rights. The issue aligns with CWE-276, which addresses improper privilege management in software applications.
The operational impact of CVE-2021-27192 extends beyond simple privilege escalation, as it provides attackers with comprehensive system control capabilities. Once elevated to administrator privileges, malicious actors can install persistent backdoors, modify system configurations, access sensitive data, and potentially establish lateral movement within the network. The vulnerability is particularly concerning in enterprise environments where Netop Vision Pro clients are deployed, as it could enable attackers to compromise multiple systems through a single successful exploitation. Organizations using this software may face significant security risks, including data breaches, system compromise, and potential regulatory compliance violations. The vulnerability's local nature means that exploitation requires only local access to the target system, making it accessible through various attack vectors including physical access, phishing attacks, or compromised user accounts.
Mitigation strategies for this vulnerability should prioritize immediate software updates to the latest available versions of Netop Vision Pro that contain patches for the privilege escalation flaw. Organizations should implement strict access controls and monitor for unusual system behavior that might indicate exploitation attempts. Security teams should conduct comprehensive vulnerability assessments to identify all systems running affected versions of the software and ensure proper patch management procedures are in place. The remediation process should include verifying that the updated software properly enforces privilege controls and that no unauthorized modifications have occurred. Additionally, network segmentation and monitoring solutions should be deployed to detect potential exploitation attempts and provide visibility into system-level activities that might indicate privilege escalation. This vulnerability demonstrates the importance of maintaining up-to-date security software and implementing robust patch management processes to prevent exploitation of known privilege escalation flaws. The ATT&CK framework categorizes this type of vulnerability under privilege escalation techniques, specifically targeting the use of software vulnerabilities to gain elevated system permissions.