CVE-2021-21805

CRITICAL EXPLOITED NUCLEI

Advantech R-seenet - OS Command Injection

Title source: rule

Description

An OS Command Injection vulnerability exists in the ping.php script functionality of Advantech R-SeeNet v 2.4.12 (20.10.2020). A specially crafted HTTP request can lead to arbitrary OS command execution. An attacker can send a crafted HTTP request to trigger this vulnerability.

Nuclei Templates (1)

Advantech R-SeeNet 2.4.12 - OS Command Injection

CRITICALVERIFIEDby 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-2021-1274

Scores

CVSS v3 9.8

EPSS 0.9287

EPSS Percentile 99.8%

Attack Vector NETWORK

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

Details

VulnCheck KEV 2023-12-24

CWE

CWE-78

Status published

Products (1)

advantech/r-seenet 2.4.12

Published Aug 05, 2021

Tracked Since Feb 18, 2026