CVE Vulnerability

CVE-2021-33436

NoMachine for Windows prior to version 6.15.1 and 7.5.2 suffer from local privilege escalation due to the lack of safe DLL loading. This vulnerability allows local non-privileged users to perform DLL Hijacking via any writable directory listed under the system path and ultimately execute code as NT AUTHORITYSYSTEM.

6.2 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 1.9 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

7.3 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.3 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://knowledgebase.nomachine.com/SU05S00223 Release Notes Vendor Advisory
https://knowledgebase.nomachine.com/SU05S00224 Release Notes Vendor Advisory
https://github.com/active-labs/Advisories/blob/master/2021/ACTIVE-2021-001.md Third Party Advisory
https://knowledgebase.nomachine.com/TR05S10236 Vendor Advisory
Configurations

Configuration 1
Information

Published : 2022-04-28 11:15

Updated : 2022-05-07 02:15

NVD link : CVE-2021-33436

Mitre link : CVE-2021-33436

Products Affected
No products.
CWE
NVD-CWE-noinfo