My Cloud Ex2 Ultra Firmware vulnerabilities
6 known vulnerabilities in My Cloud Ex2 Ultra Firmware from Westerndigital. 6 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
- 9.2 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.
- 7.5 High severity
My Cloud OS 5: Authentication Bypass by Spoofing
Western Digital My Cloud, My Cloud Home, My Cloud Home Duo, and SanDisk ibi devices were vulnerable to an impersonation attack that could allow an unauthenticated attacker to gain access to user data. This issue affects My Cloud OS 5 devices: before 5.25.132;
- 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 This was enabled to maintain compatibility with old or outdated home routers.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.