CVE-2021-21802 is a Cross-Site Scripting (XSS) vulnerability affecting Advantech R-SeeNet web applications, specifically within the device_graph_page.php script. This medium severity vulnerability (CVSS 6.1) allows an attacker to execute arbitrary JavaScript code in a victim's browser if they visit a specially crafted URL, requiring user interaction. While not currently on the KEV catalog or having public Metasploit/ExploitDB modules, Nuclei templates exist for detection, and it has garnered significant community discussion and media coverage, indicating potential for future exploitation. Its high FAUCET Risk Score and EPSS percentile suggest it is a notable threat despite the lack of active 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:R/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 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.