CVE-2021-40397

HIGH

Advantech WISE-PaaS/OTA Server <3.0.9 - Privilege Escalation

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1409

Scores

CVSS v3 7.8
EPSS 0.0012
EPSS Percentile 30.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-276
Status published
Products (1)
advantech/wise-paas\/ota 3.0.9
Published Jan 28, 2022
Tracked Since Feb 18, 2026