VULNERABILITY INTELLIGENCE

CVE-2021-38408

CVSS score9.8 CRITICAL
EPSS probability11.57%
CISA KEVNot currently listed
Published2021-09-09
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • ics-cert@hq.dhs.gov: CWE-121

Primary references