CVE-2021-40397

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-276

Affected software

VendorProductVersions
n/an/an/a

References

Timeline

Published
Jan 28, 2022
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-40397: High severity, CVSS 7.8 | Vulnix