VULNERABILITY INTELLIGENCE

CVE-2021-21799

CVSS score6.1 MEDIUM
EPSS probability12.29%
CISA KEVNot currently listed
Published2021-07-16
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Description

Cross-site scripting vulnerabilities exist in the telnet_form.php script functionality of Advantech R-SeeNet v 2.4.12 (20.10.2020). If a user visits a specially crafted URL, it can lead to arbitrary JavaScript code execution in the context of the targeted user’s browser. An attacker can provide a crafted URL to trigger this vulnerability.

Weakness classification

  • talos-cna@cisco.com: CWE-79
  • nvd@nist.gov: CWE-79

Primary references