CVE-2020-2509 is a critical command injection vulnerability affecting QNAP QTS and QuTS hero network-attached storage (NAS) devices. This flaw allows unauthenticated attackers to execute arbitrary commands, leading to complete compromise of the affected system. With a CVSS score of 9.8 (Critical) and an EPSS score indicating high exploitability, this vulnerability poses a significant risk due to its network-based attack vector and low attack complexity. It is actively exploited in the wild, as confirmed by its inclusion in CISA's KEV catalog, and has garnered substantial community discussion and media attention, including its use in ransomware attacks.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.2.6CPE matchmatch criteria | cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:* | ||
>= 4.3.5, < 4.3.6CPE matchmatch criteria | cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:* | ||
>= 4.4.0, < 4.5.1CPE matchmatch criteria | cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:* | ||
4.2.6CPE matchmatch criteria | cpe:2.3:o:qnap:qts:4.2.6:-:*:*:*:*:*:* | ||
4.2.6CPE matchmatch criteria | cpe:2.3:o:qnap:qts:4.2.6:build_20170517:*:*:*:*:*:* |
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.
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.