CVE-2026-70423 in OpenManage Enterprise
Summary
by MITRE • 08/19/2026
Dell OpenManage Enterprise, versions prior to 4.7.0, contains an Improper Restriction of XML External Entity Reference vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Information exposure.
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Analysis
by VulDB Data Team • 08/20/2026
The vulnerability identified in Dell OpenManage Enterprise versions prior to 4.7.0 represents a critical security flaw rooted in the improper handling of Extensible Markup Language (XML) data inputs. This specific weakness falls under the category of Improper Restriction of XML External Entity Reference, commonly known as XXE injection. In modern enterprise management suites like Dell OpenManage Enterprise, which serves as a centralized platform for managing and monitoring Dell servers, storage devices, and networking equipment, the system frequently processes complex configuration files, inventory reports, and device communication payloads in XML format. The core technical flaw lies in the application's failure to properly validate or sanitize these XML inputs before parsing them with an insecure parser implementation. Specifically, the software allows the definition of external entities within the parsed XML document without adequate restrictions on where those entities can resolve their content from. This architectural oversight permits a malicious actor to inject specially crafted XML data that instructs the underlying parser to load and process resources from arbitrary locations outside the intended scope of the application.
From an operational perspective, this vulnerability poses a significant risk primarily due to its potential for causing information exposure. An attacker with low-privileged remote access can leverage this flaw by sending maliciously constructed HTTP requests containing XXE payloads to vulnerable endpoints within the Dell OpenManage Enterprise interface or API. By manipulating the XML parser's behavior, the attacker can force the server to read local files from the operating system where the application is hosted. This capability effectively bypasses standard file permission controls because the parsing process occurs with the privileges of the service account running the application. Consequently, sensitive internal data such as configuration files containing database credentials, private keys, or other confidential administrative information stored on the server can be exfiltrated to the attacker's controlled external system via error messages, out-of-band connections, or blind extraction techniques. The impact is severe because it compromises the confidentiality of the entire management infrastructure, potentially providing the foothold necessary for further lateral movement within the network.
The classification of this vulnerability aligns directly with Common Weakness Enumeration identifier CWE-611, which describes Improper Restriction of XML External Entity Reference. This weakness highlights a failure in input validation where the application does not sufficiently restrict references to external entities that may contain sensitive data or trigger unintended side effects during parsing. Furthermore, from an offensive security and threat intelligence perspective, this exploitation technique is associated with MITRE ATT&CK tactic T1059, specifically sub-technique T1059.007 for Command and Scripting Interpreter interactions, although the primary outcome here is data exfiltration rather than direct command execution. The attack vector leverages the application's own parsing logic to achieve unauthorized access to system resources, fitting into broader patterns of server-side request forgery or insecure deserialization attacks that target enterprise management consoles.
To mitigate this vulnerability and secure Dell OpenManage Enterprise environments, immediate action is required to upgrade all affected instances to version 4.7.0 or later where the parsing logic has been hardened against XXE attacks. Until an upgrade can be performed, organizations should implement network-level controls such as web application firewalls that inspect incoming XML payloads for suspicious entity definitions and block requests containing external entity tags like SYSTEM or PUBLIC. Additionally, restricting outbound network connections from the management server to only necessary endpoints can mitigate the risk of data exfiltration through blind XXE techniques. It is also advisable to review access control policies to ensure that low-privileged accounts have minimal exposure to sensitive API endpoints, thereby reducing the attack surface available for exploitation by unauthorized users who may have obtained valid but limited credentials.