CVE-2026-81446 in OpenManage Server Administrator
Summary
by MITRE • 09/17/2026
Dell OpenManage Server Administrator, versions prior to 11.1.0.3, contains a Server-Side Request Forgery (SSRF) vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Server-side request forgery.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 09/17/2026
The Dell OpenManage Server Administrator software, specifically versions prior to 11.1.0.3, contains a critical server-side request forgery vulnerability that poses significant risks to infrastructure security. This flaw resides within the application's handling of user-supplied input for network requests, allowing an unauthenticated attacker with remote access to manipulate the destination addresses targeted by the backend system. The core technical issue stems from insufficient validation or sanitization of URL parameters provided by clients before they are processed by the server-side components responsible for making outbound HTTP connections. When a malicious actor submits a crafted request containing a controlled URI, the vulnerable application acts as an intermediary proxy, executing requests on behalf of the attacker to internal or external resources that would otherwise be inaccessible from the public internet. This mechanism effectively bypasses network perimeter defenses because the traffic originates from within the trusted environment where the OpenManage service is hosted.
From a technical perspective, this vulnerability aligns with CWE-918, which defines Server-Side Request Forgery as a class of vulnerabilities where an attacker causes the server to make requests to arbitrary destinations. The exploitation vector typically involves constructing HTTP GET or POST requests that include parameters such as hostnames, IP addresses, or URLs pointing to internal services like database management interfaces, administrative consoles, cloud metadata endpoints, or other sensitive backend systems. Because the vulnerability exists in a version of OpenManage prior to 11.1.0.3, it affects deployments where legacy versions are still operational and potentially exposed through network-facing interfaces without adequate authentication controls. The lack of required authentication for this specific endpoint exacerbates the severity, as any remote host capable of reaching the service port can initiate these forged requests without providing credentials.
The operational impact of exploiting this SSRF vulnerability is multifaceted and severe. Attackers can use it to perform internal network reconnaissance by probing ports and services on adjacent systems within the same subnet or VLAN. More critically, they may access sensitive data stored in internal web applications that lack additional authentication layers, such as configuration files, database dumps, or proprietary business logic interfaces. In cloud environments, SSRF is frequently leveraged to retrieve instance metadata from cloud provider endpoints like AWS EC2 Metadata Service (169.254.169.254) or Azure Instance Metadata Service, which can yield temporary security credentials and access tokens for other cloud resources. This capability allows attackers to pivot laterally across the network, escalate privileges by accessing internal management tools, and potentially achieve full compromise of the underlying server infrastructure if combined with other vulnerabilities in targeted services.
This vulnerability maps directly to MITRE ATT&CK technique T1598, specifically Subtechnique T1598.002 for Phishing: Spearphishing Attachment is not applicable here but rather relates to T1437 which involves Standard Application Layer Protocol and more broadly the concept of using legitimate services for malicious purposes. It also correlates with CWE-918 as noted earlier, representing a failure in input validation leading to unauthorized server-side actions. The absence of authentication requirements places this flaw under high-risk categories where remote code execution or data exfiltration becomes feasible through indirect means rather than direct exploitation of buffer overflows or injection flaws.
Mitigation strategies must prioritize immediate patching and network segmentation. Organizations running Dell OpenManage Server Administrator should upgrade to version 11.1.0.3 or later, which addresses the input validation deficiencies that enable SSRF attacks. If upgrading is not immediately feasible, administrators should restrict access to the OpenManage web interface using firewall rules, ensuring it is only reachable from trusted management networks rather than exposed directly to untrusted zones like the internet. Implementing strict egress filtering on the server hosting OpenManage can also limit the impact by preventing outbound connections to unauthorized or suspicious destinations. Additionally, deploying a Web Application Firewall with SSRF detection capabilities may help identify and block malicious requests attempting to manipulate backend URLs before they are processed by the application logic. Regular audits of exposed services and enforcement of authentication requirements for all administrative interfaces remain essential practices to reduce the attack surface associated with such vulnerabilities.