CVE-2021-20706 is an improper input validation vulnerability affecting NEC CLUSTERPRO X and EXPRESSCLUSTER X products, including SingleServerSafe versions, up to 4.3 for Windows. This flaw allows an unauthenticated attacker to remotely upload arbitrary files to affected systems via the WebManager interface. With a CVSS score of 7.5 (HIGH), this vulnerability presents a significant risk due to its network-based attack vector, low attack complexity, and high impact on integrity, potentially leading to system compromise. Despite its 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 |
|---|---|---|---|
>= 1.0, <= 4.3CPE matchmatch criteria | cpe:2.3:a:nec:clusterpro_x:*:*:*:*:*:windows:*:* | ||
>= 1.0, <= 4.3CPE matchmatch criteria | cpe:2.3:a:nec:clusterpro_x_singleserversafe:*:*:*:*:*:windows:*:* | ||
>= 1.0, <= 4.3CPE matchmatch criteria | cpe:2.3:a:nec:expresscluster_x:*:*:*:*:*:windows:*:* | ||
>= 1.0, <= 4.3CPE matchmatch criteria | cpe:2.3:a:nec:expresscluster_x_singleserversafe:*:*:*:*:*:windows:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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.