CVE-2019-18930 is a high-severity stack-based buffer overflow vulnerability affecting Western Digital My Cloud EX2 Ultra firmware version 2.31.183. This flaw allows authenticated web users, including guest accounts, to remotely execute arbitrary code due to insufficient size verification of inputs in the download_mgr.cgi component. The vulnerability carries a CVSS score of 8.8, indicating a high potential for complete compromise of confidentiality, integrity, and availability with low attack complexity and no user interaction required. While no public exploits or active exploitation have been identified, and community discussion is minimal, the potential for remote code execution makes this a significant risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.31.183CPE matchmatch criteria | cpe:2.3:o:western_digital:my_cloud_ex2_ultra_firmware:2.31.183:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.