CVE-2021-35508 Information

Description

NMSAccess32.exe in TeraRecon AQNetClient 4.4.13 allows attackers to execute a malicious binary with SYSTEM privileges via a low-privileged user account. To exploit this a low-privileged user must change the service configuration or overwrite the binary service.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://terarecon.sharefile.com/d-s05c8b7792f354a2d8115789a02449c4a https://www.linkedin.com/pulse/cve-2021-35508-privilege-escalation-via-weak-windows-marshall-mba

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8