CVE-2014-2879 in SonicWALL Email Security
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in Dell SonicWALL Email Security 7.4.5 and earlier allow remote authenticated administrators to inject arbitrary web script or HTML via (1) the uploadPatch parameter to the System/Advanced page (settings_advanced.html) or (2) the uploadLicenses parameter in the License management (settings_upload_dlicense.html) page.
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Analysis
by VulDB Data Team • 05/11/2026
The vulnerability identified as CVE-2014-2879 represents a critical cross-site scripting flaw within Dell SonicWALL Email Security appliances running version 7.4.5 or earlier. This security weakness specifically targets authenticated administrative users who possess sufficient privileges to access the system's advanced configuration pages. The vulnerability stems from inadequate input validation and sanitization mechanisms implemented within the web interface of the email security appliance, creating exploitable entry points that could be leveraged by malicious actors with administrative access rights.
The technical implementation of this vulnerability occurs through two distinct attack vectors within the appliance's web administration interface. The first vector involves the uploadPatch parameter within the System/Advanced page located at settings_advanced.html, while the second vector targets the uploadLicenses parameter in the License management page accessible through settings_upload_dlicense.html. Both parameters fail to properly validate or sanitize user-supplied input, allowing attackers to inject malicious JavaScript code or HTML content that persists within the application's web interface. This flaw directly maps to CWE-79, which defines Cross-Site Scripting as a weakness where untrusted data is incorporated into web pages without proper validation or encoding, making it a prime target for exploitation under the ATT&CK framework's web application attack patterns.
The operational impact of this vulnerability extends beyond simple script injection, as it provides authenticated administrators with the capability to execute arbitrary code within the context of other users' sessions. An attacker who has already gained administrative access to the SonicWALL Email Security appliance can leverage this vulnerability to escalate their privileges further or to compromise other users who may interact with the vulnerable pages. The implications are particularly severe because email security appliances serve as critical components in enterprise networks, often containing sensitive information and having broad access to network communications. The vulnerability could potentially enable attackers to access email content, modify security policies, or redirect users to malicious sites that could lead to additional compromise within the enterprise environment.
Mitigation strategies for CVE-2014-2879 should focus on immediate remediation through official security patches provided by Dell, as well as implementing additional defensive measures. Organizations should ensure that all SonicWALL Email Security appliances are updated to versions that address this vulnerability, with patch management processes prioritizing this update due to the authenticated nature of the attack vector. Network segmentation and privilege minimization practices should be enforced to limit the potential impact of compromised administrative accounts. Additionally, implementing web application firewalls and monitoring for suspicious parameter values in web application logs can help detect potential exploitation attempts. The vulnerability underscores the importance of proper input validation and output encoding practices, as outlined in OWASP's top ten security risks and aligns with the principle of defense in depth as recommended in NIST cybersecurity frameworks, where multiple layers of security controls are implemented to protect against various attack vectors.