CVE-2021-21804

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

A local file inclusion (LFI) vulnerability exists in the options.php script functionality of Advantech R-SeeNet v 2.4.12 (20.10.2020). A specially crafted HTTP request can lead to arbitrary PHP code execution. An attacker can send a crafted HTTP request to trigger this vulnerability.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-98CWE-829

Affected software

No affected versions have been published.

Timeline

Published
Jul 16, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-21804: Critical severity, CVSS 9.8 | Vulnix