CVE-2022-29095 in SupportAssist Client Consumer
Summary
by MITRE • 06/11/2022
Dell SupportAssist Client Consumer versions (3.10.4 and prior) and Dell SupportAssist Client Commercial versions (3.1.1 and prior) contain a cross-site scripting vulnerability. A remote unauthenticated malicious user could potentially exploit this vulnerability under specific conditions leading to execution of malicious code on a vulnerable system.
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Analysis
by VulDB Data Team • 05/05/2026
The vulnerability identified as CVE-2022-29095 represents a critical cross-site scripting flaw affecting Dell SupportAssist client software across both consumer and commercial variants. This security weakness exists in versions 3.10.4 and earlier for consumer editions, and 3.1.1 and earlier for commercial editions, creating a significant attack surface for malicious actors targeting enterprise and individual users alike. The flaw stems from insufficient input validation and output encoding within the application's web interface components, allowing attackers to inject malicious scripts that execute in the context of the victim's browser session.
The technical implementation of this vulnerability manifests through improper sanitization of user-supplied data within the SupportAssist client's web-based management interface. When the application processes certain input parameters or displays user-controllable content without adequate sanitization measures, it creates an environment where malicious scripts can be injected and subsequently executed. This cross-site scripting vulnerability operates at the application layer and can be exploited through various attack vectors including crafted web requests, malicious email attachments, or compromised websites that redirect users to vulnerable SupportAssist interfaces. The vulnerability maps directly to CWE-79, which specifically addresses cross-site scripting flaws in web applications, and aligns with ATT&CK technique T1566.001 for initial access through spearphishing attachments.
The operational impact of this vulnerability extends beyond simple script execution, as it provides attackers with the capability to perform session hijacking, steal sensitive authentication tokens, and potentially escalate privileges within the compromised system. An unauthenticated attacker could leverage this weakness to execute arbitrary code on vulnerable systems, potentially leading to full system compromise and persistent backdoor access. The commercial versions pose additional risk due to their deployment in enterprise environments where they may have elevated privileges or access to sensitive corporate data. The vulnerability's exploitation requires minimal user interaction, making it particularly dangerous as users may unknowingly trigger the malicious payload while browsing or interacting with the SupportAssist client interface.
Organizations should immediately implement mitigations including updating to patched versions of Dell SupportAssist client software, deploying web application firewalls to filter malicious traffic, and implementing network segmentation to limit exposure of vulnerable systems. Security teams should also conduct comprehensive vulnerability assessments to identify all instances of affected software versions within their infrastructure. The remediation process must include thorough testing of patches to ensure compatibility with existing IT environments while maintaining operational continuity. Additionally, user education programs should emphasize the importance of keeping software updated and recognizing potential phishing attempts that might exploit this vulnerability. Regular security monitoring and log analysis should be enhanced to detect suspicious activities related to the SupportAssist client interface, particularly around authentication and data processing events. Organizations implementing zero-trust security models should consider additional controls such as application whitelisting and strict access controls for the SupportAssist client software to minimize potential attack surface exposure.