CVE-2021-21799

MEDIUM NUCLEI

Advantech R-seenet - XSS

Title source: rule

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.

Nuclei Templates (1)

Advantech R-SeeNet 2.4.12 - Cross-Site Scripting

MEDIUMVERIFIEDby arafatansari

Shodan: http.html:"R-SeeNet" || http.html:"r-seenet"

FOFA: body="r-seenet"

References (1)

[Exploit, Third Party Advisory] https://talosintelligence.com/vulnerability_reports/TALOS-2021-1270

Scores

CVSS v3 6.1

EPSS 0.7591

EPSS Percentile 98.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE

CWE-79

Status published

Products (1)

advantech/r-seenet 2.4.12

Published Jul 16, 2021

Tracked Since Feb 18, 2026