CVE-2021-38408

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CVSS 3.1

9.8 critical

EPSS

12%p96

Published

Sep 9, 2021 (Sep 9, 2021)

Modified

Jun 17, 2026

Description

A stack-based buffer overflow vulnerability in Advantech WebAccess Versions 9.02 and prior caused by a lack of proper validation of the length of user-supplied data may allow remote code execution.

Vendors: advantech
Products: webaccess
Weakness: CWE-121
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (11.6%)

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