CVE-2021-40397 HIGH

CVE-2021-40397

Vendor N/A
Product n/a
Weakness CWE-276
Published January 28, 2022
Last update April 15, 2025
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

A privilege escalation vulnerability exists in the installation of Advantech WISE-PaaS/OTA Server 3.0.9. A specially-crafted file can be replaced in the system to escalate privileges to NT SYSTEM authority. An attacker can provide a malicious file to trigger this vulnerability.

Key dates

02Disclosure timeline

January 28, 2022 CVE published
April 15, 2025 Record updated