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Case File

CVE-2021-21799

MEDIUM · CVSS 6.1 EPSS 12.29% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-07-16 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-21799
Severity
MEDIUM
CVSS
6.1
EPSS
12.29%
Java

Original NVD 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.