AUGUST 4, 2026
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Case File

CVE-2021-40397

HIGH · CVSS 7.8 EPSS 0.87%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-01-28 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. See the original NVD description below for full technical details.

CVE
CVE-2021-40397
Severity
HIGH
CVSS
7.8
EPSS
0.87%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)