CVE-2020-28971 is a critical authentication bypass vulnerability affecting Western Digital My Cloud OS 5 devices before version 5.06.115, including various My Cloud EX2 Ultra, EX4100, Mirror Gen 2, PR2100, and PR4100 models. This flaw allows an unauthenticated attacker to execute privileged commands on the device by manipulating cookies due to insufficient URI path validation. With a CVSS score of 9.8 (Critical), it presents a severe risk of complete compromise (confidentiality, integrity, and availability). Despite its critical severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.06.115CPE matchmatch criteria | cpe:2.3:o:westerndigital:my_cloud_os_5:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.