CVE-2018-14327: The installer for the Alcatel OSPREY3_MINI Modem component on EE EE40VB 4G mobile broadband modems with firmwa

Q: How do I fix CVE-2018-14327?

ee40vb firmware: upgrade to ee40_00_02.00_45. Exact commands for each OS are on this page.

Q: Is CVE-2018-14327 being exploited?

CVE-2018-14327 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2018-14327 affect?

CVE-2018-14327 affects ee40vb firmware. Severity is high (CVSS 7.8). 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\Back

Q: How urgent is CVE-2018-14327?

Priority 55/100. High severity; EPSS top 9%: very likely to be exploited; Public exploit reference

This month

HIGH 7.8UPGRADE

CVE-2018-14327 is a high-severity flaw (CVSS 7.8) affecting ee40vb firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
EPSS top 9%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	4.4% (top 9%)
CISA exploited list	No
Weakness	CWE-732
Published	2018-09-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: ee

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-09-26 22:29 UTCPublished CVE record published
2026-06-17 01:40 UTCUpdated Record last modified

ee ee40vb firmware UPGRADE

Affected: < ee40_00_02.00_45

Fixed in: ee40_00_02.00_45

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: EE 4GEE Mini EE40_00_02.00_44 - Privilege Escalation

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2018-14327?

ee40vb firmware: upgrade to ee40_00_02.00_45. Exact commands for each OS are on this page.

Is CVE-2018-14327 being exploited?

CVE-2018-14327 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2018-14327 affect?

CVE-2018-14327 affects ee40vb firmware. Severity is high (CVSS 7.8). 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\Back

How urgent is CVE-2018-14327?

Priority 55/100. High severity; EPSS top 9%: very likely to be exploited; Public exploit reference

References

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