CVE-2020-10951 in My Cloud
Summary
by MITRE
Western Digital My Cloud Home and ibi devices before 2.2.0 allow clickjacking on sign-in pages.
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Analysis
by VulDB Data Team • 04/16/2020
The vulnerability identified as CVE-2020-10951 affects Western Digital My Cloud Home and ibi network attached storage devices running firmware versions prior to 2.2.0. This represents a significant security flaw that undermines the authentication mechanisms of these consumer-grade storage devices. The issue manifests as a clickjacking vulnerability specifically targeting the sign-in pages of these devices, which are critical entry points for unauthorized access to user data stored on the network attached storage systems. Clickjacking attacks exploit the trust relationship between a user and a web application by tricking users into clicking on elements that appear to be legitimate but actually perform malicious actions.
The technical implementation of this vulnerability stems from the lack of proper clickjacking protection mechanisms within the web interfaces of these storage devices. When users navigate to the sign-in pages, the web application fails to implement adequate security headers such as X-Frame-Options or Content Security Policy directives that would prevent the page from being embedded within malicious frames. This allows attackers to create deceptive web pages that overlay legitimate sign-in forms with invisible malicious frames, tricking users into entering their credentials into attacker-controlled interfaces. The vulnerability specifically affects the authentication flow where users input their username and password, making it particularly dangerous for devices that store sensitive personal and business data.
The operational impact of CVE-2020-10951 extends beyond simple credential theft, as it enables attackers to gain full administrative access to the storage devices and potentially compromise all data stored within them. Once authenticated, attackers can modify storage configurations, access, and manipulate files stored on the network attached storage systems. This vulnerability is particularly concerning for home users who may not have robust cybersecurity practices in place, as it can lead to unauthorized data access, potential data exfiltration, and even ransomware attacks that target the storage infrastructure. The attack vector is relatively simple to execute, requiring only basic web development knowledge to create deceptive pages that can be delivered through social engineering campaigns.
Mitigation strategies for this vulnerability should focus on immediate firmware updates to version 2.2.0 or later, which would implement proper clickjacking protection mechanisms. Network administrators and users should also consider implementing additional security controls such as disabling remote administration features when not actively needed, using strong authentication methods including two-factor authentication, and monitoring network traffic for suspicious activity. The vulnerability aligns with CWE-1021, which specifically addresses insufficient clickjacking protection in web applications, and can be categorized under ATT&CK technique T1566 for social engineering attacks that leverage deceptive web interfaces. Organizations should also consider network segmentation to limit access to these storage devices and implement intrusion detection systems to monitor for potential exploitation attempts. Regular security assessments and vulnerability scanning should be conducted to ensure that similar protections are in place across all networked devices and applications.