VULNERABILITY INTELLIGENCE

CVE-2021-40397

CVSS score7.8 HIGH
EPSS probability0.87%
CISA KEVNot currently listed
Published2022-01-28
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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.

Weakness classification

  • talos-cna@cisco.com: CWE-276
  • nvd@nist.gov: CWE-276

Primary references