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CVE-2021-38408

9.8 CRITICAL

A stack-based buffer overflow vulnerability in Advantech WebAccess Versions 9.02 and prior caused by a lack of proper validation of the l...

Published: 2021-09-09 · Last updated: 2026-06-17

Severity and scoring

CVSS
9.8 CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-121

Affected products

VendorProduct
advantechwebaccess

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.

Source: NVD

References

Related CVEs

Same vendor

  • CVE-2021-38389 — Advantech WebAccess versions 9.02 and prior are vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely exec... (9.8 CRITICAL)
  • CVE-2021-38431 — An authenticated user using Advantech WebAccess SCADA in versions 9.0.3 and prior can use API functions to disclose project names and pat... (4.3 MEDIUM)

Same CWE

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  • CVE-2025-55660 — A stack overflow in the gf_opus_read_length function (media_tools/av_parsers.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of... (5.5 MEDIUM)
  • CVE-2026-8356 — LibreOffice can import presentations in the legacy binary PPT format
  • CVE-2026-12222 — A vulnerability was determined in Yealink SIP-T46U 108.86.0.118 (8.0 HIGH)