CVE-2022-33924 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 with which an attacker with no access to create rules could potentially exploit this vulnerability and create rules.
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Analysis
by VulDB Data Team • 09/04/2022
The CVE-2022-33924 vulnerability represents a critical improper access control flaw within Dell Wyse Management Suite version 3.6.1 and earlier releases. This vulnerability fundamentally undermines the security model of the management platform by allowing unauthorized actors to bypass legitimate access controls and create malicious rules within the system. The Wyse Management Suite serves as a centralized management solution for deploying and managing Dell Wyse thin client devices across enterprise environments, making this vulnerability particularly concerning for organizations relying on proper access controls for their device management infrastructure. The flaw exists in the privilege escalation mechanisms that should prevent unauthorized users from performing administrative functions such as rule creation.
The technical implementation of this vulnerability stems from inadequate validation of user permissions and insufficient authorization checks within the rule creation functionality. An attacker exploiting this weakness can manipulate the system to execute rule creation operations without possessing the necessary administrative credentials or privileges. This misconfiguration creates a path for privilege escalation where unauthorized individuals can gain elevated access to the management suite's rule engine. The vulnerability operates at the application level and affects the authentication and authorization framework that should enforce strict access boundaries between different user roles. According to CWE classification, this represents a weakness categorized under CWE-284: Improper Access Control, which specifically addresses inadequate permissions and authorization mechanisms that allow unauthorized access to resources or functionality.
The operational impact of CVE-2022-33924 extends beyond simple unauthorized access, as it enables attackers to potentially establish persistent footholds within managed environments. Once an attacker successfully creates malicious rules, they can manipulate device configurations, deploy malware, or create backdoors that persist across device reboots. This vulnerability can facilitate lateral movement within networks where Wyse thin clients are deployed, as attackers can leverage the created rules to modify device behavior and potentially gain access to underlying network resources. The implications are particularly severe in enterprise settings where thin client infrastructure is used for sensitive operations, as this vulnerability could enable data exfiltration, system compromise, or disruption of business-critical operations. The ATT&CK framework categorizes this type of vulnerability under privilege escalation techniques, specifically targeting the T1078 credential access and T1546 persistence tactics.
Organizations affected by this vulnerability should immediately implement mitigation strategies including upgrading to the patched version of Dell Wyse Management Suite, implementing network segmentation to isolate management interfaces, and conducting thorough access control reviews. Security teams should also deploy monitoring solutions to detect suspicious rule creation activities and establish strict audit trails for all administrative operations. The vulnerability highlights the importance of proper access control implementation in management platforms and underscores the need for regular security assessments of enterprise management infrastructure. Dell has addressed this issue in subsequent releases, making timely patching essential for organizations to maintain their security posture against this specific class of access control vulnerabilities that could compromise entire device management ecosystems.