CVE-2021-26622 is a critical remote code execution vulnerability affecting Genian NAC, specifically due to server-side template injection (SSTI) and insufficient filename parameter validation. This flaw allows unauthenticated remote attackers to execute arbitrary code with SYSTEM privileges on all connected NAC nodes. With a CVSS score of 10.0, this vulnerability is highly severe, requiring no user interaction or complex attack conditions, and leading to complete compromise of confidentiality, integrity, and availability. Despite its critical nature, there is currently no public exploit code available, it is not listed in CISA's KEV catalog, and it has received no significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.0, <= 4.0.145.0831CPE matchmatch criteria | cpe:2.3:a:genians:genian_nac:*:*:*:*:*:*:*:* | ||
>= 5.0, <= 5.0.42.0827CPE matchmatch criteria | cpe:2.3:a:genians:genian_nac:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/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.