CVE-2021-21805 is a critical OS Command Injection vulnerability in the ping.php script of Advantech R-SeeNet v 2.4.12. This flaw allows an unauthenticated attacker to execute arbitrary operating system commands by sending a specially crafted HTTP request. With a CVSS score of 9.8, it poses a severe risk of complete compromise (confidentiality, integrity, availability). While not listed in CISA's KEV catalog, exploit code is publicly available via Nuclei templates and has garnered significant community discussion, indicating a high potential for exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.4.12CPE matchmatch criteria | cpe:2.3:a:advantech:r-seenet:2.4.12:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/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.
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.