CVE-2021-20740 is a critical vulnerability affecting Hitachi Virtual File Platform and NEC Storage M Series NAS Gateway products, allowing remote authenticated attackers to execute arbitrary OS commands with root privileges. This vulnerability carries a high CVSS score of 8.8, indicating a severe risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. 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 |
|---|---|---|---|
< 6.4.3-09CPE matchmatch criteria | cpe:2.3:a:hitachi:virtual_file_platform:*:*:*:*:*:*:*:* | ||
< 5.5.3-09CPE matchmatch criteria | cpe:2.3:a:hitachi:virtual_file_platform:*:*:*:*:*:*:*:* | ||
< fos_5.5.3-08\(nec2.5.4a\)CPE matchmatch criteria | cpe:2.3:o:nec:nas_gateway_nh4a_firmware:*:*:*:*:*:*:*:* | ||
< fos_5.5.3-08\(nec2.5.4a\)CPE matchmatch criteria | cpe:2.3:o:nec:nas_gateway_nh8a_firmware:*:*:*:*:*:*:*:* | ||
< fos_6.4.3-08\(nec3.4.2\)CPE matchmatch criteria | cpe:2.3:o:nec:nas_gateway_nh4b_firmware:*:*:*:*:*:*:*:* |
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.