CVE-2018-14327

The installer for the Alcatel OSPREY3_MINI Modem component on EE EE40VB 4G mobile broadband...

7.8 HighPublic exploit

The installer for the Alcatel OSPREY3_MINI Modem component on EE EE40VB 4G mobile broadband modems with firmware before EE40_00_02.00_45 sets weak permissions (Everyone:Full Control) for the "Web Connecton\EE40" and "Web Connecton\EE40\BackgroundService" directories, which allows local users to gain privileges, as demonstrated by inserting a Trojan horse ServiceManager.exe file into the "Web Connecton\EE40\BackgroundService" directory.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

4.39%Up 1.3 points since Apr 14, 2021

What each source reports

NVD Score used 7.8

Record: CVE-2018-14327
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness: CWE-732
Updated: 2026-11-02

CVE List No score

Record: CVE-2018-14327
Updated: 2026-11-02

EUVDEUVD-2018-6249 No score

Record: EUVD-2018-6249
Updated: 2026-11-03

GitHub AdvisoriesGHSA-gffw-36xc-qj42 7.8

The installer for the Alcatel OSPREY3_MINI Modem component on EE EE40VB 4G mobile broadband...

Record: GHSA-gffw-36xc-qj42
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-732
Updated: 2026-11-02

Affected products

ee ee40vb firmware

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	EE 4GEE Mini EE40_00_02.00_44 - Privilege Escalation	2018-09-27

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-14327 is a high vulnerability (CVSS 7.8) in Ee Ee40vb Firmware, published September 26, 2018. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 4.39%, the 91st percentile. No source names a fixed version.