CVE-2021-38685 is a critical command injection vulnerability affecting QNAP VioStor devices running QVR. This flaw allows unauthenticated remote attackers to execute arbitrary commands on the affected system. With a CVSS score of 9.8, it poses a severe risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion with 10 mentions, indicating awareness among security researchers. QNAP has released fixes in QVR FW 5.1.6 build 20211109 and later.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.1.6CPE matchmatch criteria | cpe:2.3:a:qnap:qvr:*:*:*:*:*:*:*:* |
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.