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CVE-2021-38389

9.8 CRITICAL

Advantech WebAccess versions 9.02 and prior are vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely exec...

Published: 2021-10-18 · 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, CWE-787

Affected products

VendorProduct
advantechwebaccess

Description

Advantech WebAccess versions 9.02 and prior are vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute code.

Source: NVD

References

Related CVEs

Same vendor

  • 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)
  • CVE-2021-38408 — A stack-based buffer overflow vulnerability in Advantech WebAccess Versions 9.02 and prior caused by a lack of proper validation of the l... (9.8 CRITICAL)

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