CVE-2026-81478 in OpenManage Server Administrator
Summary
by MITRE • 09/17/2026
Dell OpenManage Server Administrator, versions prior to 11.1.0.3, contains a Use of Hard-coded Cryptographic Key vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Unauthorized access.
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Analysis
by VulDB Data Team • 09/17/2026
The identified security flaw resides within Dell OpenManage Server Administrator software for versions preceding the release 11.1.0.3. This component serves as a critical management interface for monitoring and controlling Dell servers, providing administrators with insights into hardware health, configuration, and performance metrics. The vulnerability is classified under Common Weakness Enumeration identifier CWE-798, which specifically addresses the use of hard-coded cryptographic keys. In this context, the software utilizes static encryption or authentication credentials that are embedded directly within the application code rather than being dynamically generated or securely stored in a protected keystore. This architectural decision fundamentally undermines the principle of key rotation and compromise recovery, as the secret material remains constant across all installations unless the binary itself is updated by the vendor.
From an operational perspective, this weakness presents a severe risk to system integrity because it allows for unauthorized access without requiring valid user credentials or multi-factor authentication in certain scenarios. An unauthenticated attacker who has achieved remote network connectivity to the affected server can leverage these hard-coded keys to decrypt sensitive communications or bypass authentication mechanisms entirely. This capability effectively neutralizes the intended security boundaries of the management interface, granting the adversary full administrative privileges over the underlying hardware and operating system. The impact extends beyond simple data exfiltration; it enables potential lateral movement within the network, manipulation of firmware settings, disruption of service availability through malicious configuration changes, or installation of persistent backdoors that are difficult to detect due to their integration with legitimate management processes.
The exploitation vector aligns closely with ATT&CK technique T1078, which covers Valid Accounts and specifically includes Default Accounts when those accounts rely on static credentials known globally rather than unique per-instance secrets. Furthermore, the failure to implement proper key management practices reflects a deviation from industry standards such as NIST SP 800-57 regarding cryptographic key lifecycle management. The persistence of these hard-coded keys means that even if an organization changes its administrative passwords or implements network segmentation, the underlying vulnerability remains exploitable by any actor who discovers the static key through reverse engineering or information disclosure. This creates a long-term exposure window where legacy systems remain vulnerable until they are explicitly patched or replaced.
Mitigation strategies must prioritize immediate remediation through software updates. Administrators should upgrade Dell OpenManage Server Administrator to version 11.1.0.3 or later, which addresses the underlying cryptographic implementation flaws by replacing hard-coded keys with dynamically managed secrets or stronger authentication protocols. In environments where patching is not immediately feasible due to operational constraints, network-level controls become essential. Implementing strict firewall rules that restrict access to the management interface solely from trusted administrative subnets can significantly reduce the attack surface. Additionally, deploying intrusion detection systems configured to monitor for anomalous traffic patterns associated with credential stuffing or unauthorized API calls may provide early warning of exploitation attempts. Regular audits of cryptographic implementations and adherence to secure coding standards during future software development cycles are necessary to prevent recurrence of such fundamental security design errors.