CVE-2014-1990 in E-studio-232
Summary
by MITRE
Cross-site request forgery (CSRF) vulnerability in TopAccess (aka the web-based management utility) on TOSHIBA TEC e-Studio 232, 233, 282, and 283 devices allows remote attackers to hijack the authentication of administrators for requests that change passwords.
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Analysis
by VulDB Data Team • 05/11/2026
The CVE-2014-1990 vulnerability represents a critical cross-site request forgery flaw discovered in the TopAccess web-based management utility of Toshiba TEC e-Studio multifunction devices. This vulnerability affects specific models including the e-Studio 232, 233, 282, and 283 series, which are widely deployed in enterprise environments for document management and printing services. The flaw exists within the authentication mechanisms of these devices, creating a significant security risk that could allow unauthorized remote attackers to exploit the system's administrative functions.
The technical implementation of this CSRF vulnerability stems from the absence of proper anti-CSRF token validation within the TopAccess management interface. When administrators access the device's web management utility to perform administrative tasks such as password changes, the system fails to verify the authenticity of the request source. This allows attackers to craft malicious web pages or exploit existing vulnerabilities in web browsers to trick authenticated administrators into executing unauthorized actions without their knowledge. The vulnerability specifically targets the password change functionality, which represents a high-value attack vector given that successful exploitation would provide attackers with administrative control over the device.
From an operational impact perspective, this vulnerability poses severe risks to enterprise security infrastructure. Attackers who successfully exploit this CSRF flaw can gain unauthorized administrative access to multifunction devices that often serve as central points of control for networked printing environments. The compromised devices could then be used to monitor print jobs, modify device configurations, or even serve as launching points for further attacks within the network. According to the CWE classification system, this vulnerability maps to CWE-352, which specifically addresses Cross-Site Request Forgery issues, and aligns with ATT&CK technique T1078.004 for Valid Accounts and T1566 for Phishing, as the exploitation typically requires social engineering to deliver malicious payloads to authenticated users.
The exploitation of this vulnerability requires minimal technical expertise and can be accomplished through simple web-based attacks that leverage the browser's automatic handling of cookies and session management. Attackers can create malicious websites that contain embedded requests to the target device's management interface, which will automatically include the victim's authentication cookies when the page is loaded. This makes the attack particularly dangerous in enterprise environments where administrators frequently access management interfaces from workstations that may be compromised. Organizations should implement immediate mitigations including network segmentation of device management interfaces, deployment of web application firewalls, and mandatory use of secure administrative protocols. The vulnerability also highlights the importance of regular firmware updates and security assessments for networked devices, as many organizations may not be aware of the security risks associated with seemingly mundane office equipment.