CVE-2021-21803

PoC —

CVSS 3.1

6.1 medium

EPSS

8%p94

Published

Jul 16, 2021 (Jul 16, 2021)

Modified

Jun 17, 2026

Description

This vulnerability is present in device_graph_page.php script, which is a part of the Advantech R-SeeNet web applications. A specially crafted URL by an attacker and visited by a victim can lead to arbitrary JavaScript code execution.

Vendors: advantech
Products: r-seenet
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (7.9%)

In the news2 stories

Experts disclose critical flaws in Advantech router monitoring tool

Security AffairsJul 19, 17:53 UTC · Jul 19, 2021Exploit / PoC in the wildCVE-2021-21799 CVE-2021-21800 CVE-2021-21801+3 CVEs

Vulnerability Spotlight: Multiple vulnerabilities in Advantech R

Cisco TalosJul 15, 14:27 UTC · Jul 15, 2021Vulnerability in the wildCVE-2021-21799 CVE-2021-21800 CVE-2021-21801+3 CVEs