CVE-2022-33931 in Wyse Management Suite
Summary
by MITRE • 08/10/2022
Dell Wyse Management Suite 3.6.1 and below contains an Improper Access control vulnerability in UI. An attacker with no access to Alert Classification page could potentially exploit this vulnerability, leading to the change the alert categories.
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Analysis
by VulDB Data Team • 08/11/2022
The CVE-2022-33931 vulnerability represents a critical improper access control flaw within Dell Wyse Management Suite version 3.6.1 and earlier releases. This vulnerability specifically affects the user interface component of the management suite, which is designed to provide centralized administration and monitoring capabilities for Wyse endpoint devices. The affected system operates under the assumption that certain administrative functions should remain restricted to authorized personnel, yet this vulnerability creates an avenue for unauthorized modification of alert classification parameters. The flaw exists within the application's authorization mechanisms, where proper access controls fail to adequately validate user permissions before allowing modifications to critical alert categories.
This access control weakness stems from inadequate input validation and insufficient privilege verification within the UI components responsible for managing alert classifications. The vulnerability allows an attacker who does not possess legitimate access to the Alert Classification page to potentially exploit this flaw and modify alert categories. The technical implementation appears to lack proper session validation or role-based access controls that would normally prevent unauthorized users from accessing or modifying sensitive administrative functions. According to CWE classification, this vulnerability maps to CWE-285: Improper Authorization, which specifically addresses situations where an attacker can bypass authorization checks to gain unauthorized access to resources or functionality. The flaw demonstrates a failure in the principle of least privilege, where users should only have access to functions necessary for their role within the system.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it allows attackers to manipulate the alert categorization system that serves as a critical component of the security monitoring framework. When an attacker successfully exploits this vulnerability, they can potentially alter the classification of security alerts, which may lead to legitimate security events being categorized as low priority or ignored entirely. This manipulation could result in critical security incidents being overlooked, while non-critical alerts might be elevated to high priority status, creating operational confusion and potentially masking actual security breaches. The vulnerability also undermines the integrity of the security monitoring system, as the alert classification hierarchy becomes compromised. From an ATT&CK framework perspective, this vulnerability aligns with T1078: Valid Accounts and T1566: Phishing, as it could enable an attacker to escalate privileges through unauthorized access to administrative functions, or potentially exploit this weakness after initial compromise to maintain persistence and evade detection.
Organizations utilizing Dell Wyse Management Suite should immediately implement mitigations including applying the latest security patches provided by Dell, implementing network segmentation to limit access to the management suite, and conducting thorough access control reviews. The patching process should address the root cause by strengthening the authorization checks within the UI components, ensuring that proper session validation occurs before any modifications to alert classification parameters are permitted. Additionally, organizations should implement monitoring solutions to detect unauthorized access attempts or modifications to alert classification settings. The vulnerability highlights the importance of regular security assessments and proper access control implementation in enterprise management suites, as these systems often serve as central points of compromise for larger network infrastructures. Security teams should also consider implementing multi-factor authentication for administrative access and establish regular audit procedures to identify any unauthorized modifications to critical system parameters.