My Cloud vulnerabilities
11 known vulnerabilities in My Cloud from Western Digital. 11 are rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.
Latest first
- 9.3 Critical severity
My Cloud: Improper Neutralization of Special Elements used in an OS Command
An OS command injection vulnerability in user interface in Western Digital My Cloud firmware prior to 5.31.108 on NAS platforms allows remote attackers to execute arbitrary system commands via a specially crafted HTTP POST.
- 9.2 Critical severity
My Cloud: Improper Restriction of Operations within the Bounds of a Memory Buffer
Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in Western Digital My Cloud ddns-start on Linux allows Overflow Buffers.This issue affects My Cloud: before 5.29.102.
- 9.8 Critical severity
My Cloud: Improper Limitation of a Pathname to a Restricted Directory
A vulnerability in the FTP service of Western Digital My Cloud OS 5 devices running firmware versions prior to 5.26.119 allows an attacker to read and write arbitrary files. This could lead to a full NAS compromise and would give remote execution capabilities
- 9.8 Critical severity
My Cloud: Improper Neutralization of Special Elements used in an OS Command
A command injection vulnerability in the DDNS service configuration of Western Digital My Cloud OS 5 devices running firmware versions prior to 5.26.119 allows an attacker to execute code in the context of the root user.
- 7.8 High severity
My Cloud: Selection of Less-Secure Algorithm During Negotiation
The Western Digital My Cloud Web App [https://os5.mycloud.com/] uses a weak SSLContext when attempting to configure port forwarding rules. This was enabled to maintain compatibility with old or outdated home routers. By using an "SSL" context instead of "TLS"
- 9.8 Critical severity
My Cloud: Improper Link Resolution Before File Access
The combination of primitives offered by SMB and AFP in their default configuration allows the arbitrary writing of files. By exploiting these combination of primitives, an attacker can execute arbitrary code.
- 9.8 Critical severity
My Cloud: Insufficient Verification of Data Authenticity
A remote code execution vulnerability was discovered on Western Digital My Cloud devices where an attacker could trick a NAS device into loading through an unsecured HTTP call. This was a result insufficient verification of calls to the device. The vulnerabili
- 8.8 High severity
My Cloud: Server-Side Request Forgery
A limited SSRF vulnerability was discovered on Western Digital My Cloud devices that could allow an attacker to impersonate a server and reach any page on the server by bypassing access controls. The vulnerability was addressed by creating a whitelist for vali
- 8.8 High severity
My Cloud: Improper Neutralization of Special Elements used in a Command
A malicious user on the same LAN could use DNS spoofing followed by a command injection attack to trick a NAS device into loading through an unsecured HTTP call. Addressed this vulnerability by disabling checks for internet connectivity using HTTP.
- 8.8 High severity
My Cloud: Incorrect Comparison
A limited authentication bypass vulnerability was discovered that could allow an attacker to achieve remote code execution and escalate privileges on the My Cloud devices. Addressed this vulnerability by changing access token validation logic and rewriting rul
- 9.8 Critical severity
My Cloud: Out-of-bounds Write
My Cloud OS 5 was vulnerable to a pre-authenticated stack overflow vulnerability on the FTP service that could be exploited by unauthenticated attackers on the network. Addressed the vulnerability by adding defenses against stack overflow issues.