CVE-2021-33023 CRITICAL

CVE-2021-33023: Advantech WebAccess

Vendor Advantech
Product WebAccess
Weakness CWE-122
Published October 18, 2021
Last update September 17, 2024
View on NVD All CVEs

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

October 18, 2021 CVE published
September 17, 2024 Record updated