What’s Vulnerable › Vulnerabilities

CVE-2018-14327

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-09-26 · updated 2026-06-17
• Weakness: CWE-732

Description

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.

Affected products

• Ee40Vb Firmware: before ee40_00_02.00_45 — fixed in ee40_00_02.00_45

How to fix

Upgrade to a fixed version: Ee40Vb Firmware ee40_00_02.00_45. Check the vendor advisory for mitigations.

References

• http://blog.zerodaylab.com/2018/09/zerodaylab-discovers-ee-unquoted.html
• http://packetstormsecurity.com/files/149492/EE-4GEE-Mini-Local-Privilege-Escalation.html
• http://www.securityfocus.com/bid/105385
• https://osandamalith.com/2018/09/17/ee-4gee-mini-local-privilege-escalation-vulnerability-cve-2018-14327/
• https://www.exploit-db.com/exploits/45501/
• http://blog.zerodaylab.com/2018/09/zerodaylab-discovers-ee-unquoted.html
• http://packetstormsecurity.com/files/149492/EE-4GEE-Mini-Local-Privilege-Escalation.html
• http://www.securityfocus.com/bid/105385
• https://osandamalith.com/2018/09/17/ee-4gee-mini-local-privilege-escalation-vulnerability-cve-2018-14327/
• https://www.exploit-db.com/exploits/45501/

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