CVE-2021-20026 is a critical OS command injection vulnerability affecting SonicWall NSM On-Prem versions 2.2.0-R10 and earlier. An authenticated attacker can exploit this flaw remotely via a crafted HTTP request, leading to high impact on confidentiality, integrity, and availability. With a CVSS score of 8.8 (HIGH), this vulnerability is easily exploitable with low attack complexity and no user interaction required. While there is no known active exploitation (KEV) or public exploit code (Metasploit, Nuclei, ExploitDB), it has garnered significant community discussion and media coverage, indicating its importance.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.2.0CPE matchmatch criteria | cpe:2.3:a:sonicwall:network_security_manager:*:*:*:*:on-premises:*:*:* | ||
2.2.0CPE matchmatch criteria | cpe:2.3:a:sonicwall:network_security_manager:2.2.0:-:*:*:on-premises:*:*:* | ||
2.2.0CPE matchmatch criteria | cpe:2.3:a:sonicwall:network_security_manager:2.2.0:r10:*:*:on-premises:*:*:* |
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.
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.