CVE-2026-81441 in OpenManage Server Administrator
Summary
by MITRE • 09/17/2026
Dell OpenManage Server Administrator, versions prior to 11.1.0.3, contains a Missing Authentication for Critical Function vulnerability. An unauthenticated attacker with local access could potentially exploit this vulnerability, leading to Denial of service.
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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 11.1.0.3. This specific implementation defect is classified as a Missing Authentication for Critical Function, which corresponds directly to CWE-306 in the Common Weakness Enumeration taxonomy. The vulnerability stems from an architectural oversight where certain administrative or diagnostic endpoints within the application interface do not enforce strict authentication protocols before executing sensitive operations. Consequently, any user who has established local access to the server hosting this service can interact with these unprotected functions without providing valid credentials. This lack of authorization checks creates a significant security gap that undermines the integrity and availability controls intended by the system administrators.
From an operational perspective, the primary impact of exploiting this vulnerability is a Denial of Service condition. An attacker leveraging local access to the server can trigger resource-intensive operations or cause application crashes through repeated requests to the unauthenticated endpoints. This exploitation does not necessarily require remote network connectivity, which limits the attack vector but increases the risk for servers that are physically accessible or where an insider threat actor has gained foothold via other means such as compromised user accounts with local privileges. The resulting service disruption can lead to significant downtime, preventing legitimate administrators from monitoring server health, managing hardware components, or performing routine maintenance tasks essential for system stability.
This vulnerability aligns with the MITRE ATT&CK framework under techniques related to resource hijacking and denial of service via application layer attacks. It highlights a critical failure in implementing defense-in-depth principles where local access is often mistakenly assumed to be safe from further privilege escalation or abuse if proper internal controls are not enforced. The absence of authentication for these specific functions violates the fundamental security principle that all administrative actions must be verified against user identity and permissions, regardless of the network location of the requester.
To mitigate this risk, organizations running affected versions of Dell OpenManage Server Administrator should prioritize immediate patching to version 11.1.0.3 or later where these authentication checks have been properly implemented. Until patches are applied, administrators should restrict local access to the server hosting the service using strict operating system level permissions and firewall rules if applicable. Additionally, monitoring logs for unusual spikes in requests to administrative endpoints can help detect potential exploitation attempts early. Regular audits of application configurations against industry standards such as CIS Benchmarks can also identify similar misconfigurations across other services running on critical infrastructure systems.