CVE-2021-21799 describes a cross-site scripting (XSS) vulnerability in the telnet_form.php script of Advantech R-SeeNet version 2.4.12. An unauthenticated attacker can exploit this by crafting a malicious URL, leading to arbitrary JavaScript execution in the victim's browser. With a CVSS score of 6.1 (Medium), this vulnerability requires user interaction (UI:R) and has low impact on confidentiality and integrity. While not listed in CISA's KEV catalog, exploit intelligence indicates the availability of Nuclei templates and significant community discussion, suggesting 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: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.
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.