CVE Vulnerability

CVE-2021-40396

A privilege escalation vulnerability exists in the installation of Advantech DeviceOn/iService 1.1.7. 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.

7.2 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

8.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2 / Impact : 6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References
Link Resource
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1408 Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:advantech:deviceon/iservice:1.1.7:*:*:*:*:*:*:*
Information

Published : 2022-01-28 08:15

Updated : 2022-05-31 06:24

NVD link : CVE-2021-40396

Mitre link : CVE-2021-40396

Products Affected
No products.
CWE
CWE-276

Incorrect Default Permissions