CVE-2026-81439 in OpenManage Server Administrator
Summary
by MITRE • 09/17/2026
Dell OpenManage Server Administrator, versions prior to 11.1.0.3, contains an Incorrect Authorization vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Protection mechanism bypass.
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Analysis
by VulDB Data Team • 09/17/2026
The identified security flaw resides within Dell OpenManage Server Administrator software in versions preceding the release of version 11.1.0.3. This specific component is a critical management utility used by system administrators to monitor and configure hardware components on Dell servers, including BIOS settings, firmware updates, and power management configurations. The vulnerability stems from an incorrect authorization mechanism within the application's access control logic. Specifically, the software fails to properly verify whether a user possesses the necessary privileges before executing sensitive administrative commands or exposing restricted configuration data. This lapse in security design allows for a Protection Mechanism Bypass, where the intended safeguards designed to restrict actions to authorized personnel are effectively neutralized by flawed implementation details.
From an operational perspective, this vulnerability poses a significant risk because it can be exploited by attackers with low privileged access who already have remote connectivity to the management interface. In many enterprise environments, lower-level support staff or automated scripts may operate with limited credentials that should not grant full administrative control over server hardware. However, due to this authorization flaw, such an attacker could escalate their privileges indirectly by manipulating requests to bypass authentication checks for high-risk functions. This capability enables unauthorized modification of critical system settings, potential disruption of service availability through improper power or thermal management commands, and the exposure of sensitive hardware inventory data that should remain confidential. The ability to alter BIOS configurations or firmware update parameters without proper authorization can lead to persistent backdoors being installed at the firmware level, complicating incident response efforts significantly.
This vulnerability aligns with Common Weakness Enumeration category CWE-269, which addresses Improper Privilege Management, and more specifically reflects issues related to insufficient verification of user permissions before performing actions that require elevated rights. In terms of adversary tactics as defined by MITRE ATT&CK, this flaw facilitates the Tactic of Privilege Escalation and potentially aids in Defense Evasion if an attacker uses these capabilities to modify logging or security configurations to hide their presence. The remote nature of the exploit vector means that no physical access is required, increasing the attack surface significantly for organizations relying on out-of-band management interfaces like iDRAC which often integrate with OpenManage Server Administrator.
To mitigate this risk, it is imperative to upgrade Dell OpenManage Server Administrator to version 11.1.0.3 or later immediately upon availability in production environments. Organizations should also enforce strict network segmentation policies for server management interfaces, ensuring that these services are not exposed directly to untrusted networks such as the public internet. Access control lists on firewalls and intrusion detection systems should be configured to restrict access to only known administrative IP addresses. Additionally, implementing multi-factor authentication for all remote management sessions adds a critical layer of defense against credential theft or unauthorized use by low-privileged accounts that might otherwise exploit this authorization flaw. Regular auditing of user permissions within the OpenManage console ensures that least privilege principles are maintained and reduces the likelihood of an attacker finding a foothold with sufficient access to trigger the vulnerability.