Description

Dell Command Update (DCU), versions prior to 5.7.1, contain an Incorrect Authorization vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privileges.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "5.5",
  "pubDate": "2026-08-19T15:17:51.640Z",
  "pubdate": "2026-08-19T15:17:51.640Z",
  "executiveSummary": "An incorrect authorization vulnerability has been identified in Dell Command Update (DCU) affecting versions prior to 5.7.1. This security flaw enables a low-privileged local attacker to execute operations or interact with system components beyond their intended authorization level, ultimately resulting in an elevation of privileges on the host operating system.\nThe risk implication is significant within multi-user or enterprise environments where standard user accounts exist, as successful exploitation bridges the gap between restricted user permissions and elevated system-level control. The vulnerability resides within the application authorization logic, which fails to properly validate the privilege levels or operational context of incoming requests made by local entities.\nExploitation of this vulnerability requires local access to the target endpoint, meaning the attacker must already possess an interactive session or the ability to execute code locally on the machine hosting the vulnerable software. No remote network exposure is inherently required for the initial attack vector, limiting the threat landscape to actors or malware already residing locally within the host boundary.\nOrganizations utilizing affected iterations of Dell Command Update must prioritize remediation by applying official vendor patches. Failure to address this issue leaves endpoints exposed to potential local privilege escalation vectors that could compromise the confidentiality, integrity, and availability of the underlying operating system.",
  "technicalDetails": "The vulnerability stems from an incorrect authorization flaw implemented within the architectural logic of Dell Command Update versions prior to 5.7.1. Specifically, the application's underlying service, interface, or IPC (Inter-Process Communication) mechanism fails to adequately enforce access control checks when processing operational requests initiated by local clients.\nThe root cause is rooted in improper privilege validation, where the system incorrectly trusts commands or requests originating from unprivileged execution contexts. Because authorization boundaries are insufficiently segregated between low-privileged local users and high-privileged administrative tasks, the software inadvertently permits unauthorized operations.\nThe attack flow begins when an adversary with low-privileged local access interacts with the vulnerable Dell Command Update component. The attacker crafts or initiates a request designed to perform actions typically restricted to administrative users. Due to the absence of rigorous authorization enforcement within the vulnerable component, the request is processed successfully without validating whether the originating process possesses the requisite security context.\nRegarding authentication and privilege requirements, the vulnerability does not necessitate valid administrative credentials for exploitation. The attacker operates with low-privileged local access, leveraging the application's overly permissive authorization handling to bridge the security gap. The network exposure is entirely local, as the attack surface relies on local IPC mechanisms, local procedure calls, or local application interfaces rather than remote network services.\nThe post-exploitation impact of this vulnerability centers on elevation of privileges. By successfully bypassing the intended authorization checks, the attacker can execute administrative-level actions, modify critical system configurations, or deploy persistent payloads with elevated permissions. This compromises the security posture of the host, allowing the attacker to bypass standard OS access controls enforced by the kernel for standard user accounts."
}