CVE-2025-34420CWE-427

CVE-2025-34420

High · published December 10, 2025

CVSS v3.1
7.8
EPSS
0%
Percentile
6.2
In the wild
Unconfirmed
What it is

⚡ A local attacker with write access can exploit this DLL loading vulnerability in MailEnable before version 10.54 to execute malicious code — yikes! 🔥 Think of it like a restaurant where a chef can easily swap in a dangerous ingredient without anyone checking the pantry. If the kitchen doesn't verify their supplies, they might end up stirring up something harmful instead of delicious! With this vulnerability, an attacker could sneak in their malicious code, executing it with the same privileges as the MailEnable process. This could mean accessing sensitive data, modifying system settings, or even taking full control of the server — a scenario no one wants in their kitchen!

Put simply

Think of it like a restaurant where a chef can easily swap in a dangerous ingredient without anyone checking the pantry. If the kitchen doesn't verify their supplies, they might end up stirring up something harmful instead of delicious! The flaw arises because the MailEnable administrative executable loads MEAIAM.DLL from its installation directory without adequate integrity checks or a secure search order, allowing a local attacker to place a malicious DLL in that directory.

What to do

With this vulnerability, an attacker could sneak in their malicious code, executing it with the same privileges as the MailEnable process. This could mean accessing sensitive data, modifying system settings, or even taking full control of the server — a scenario no one wants in their kitchen! To protect your systems, immediately update MailEnable to version 10.54 or later. Additionally, review file permissions to ensure that unauthorized users cannot write to the installation directory. Regularly audit your installed software for similar vulnerabilities, too! You've got this! By taking action now, you're on the path to stronger security! 🛡️

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00171 · 6.2th percentile
Weakness
CWE-427 · Uncontrolled Search Path Element
Published
2025-12-10T21:16Z
Affected products (1)
ProductVersionsFixed in
mailenable/mailenable< 10.5410.54
References (3)
EPSS history
Timeline
  • 10 DEC 16:07Z
    MailEnable < 10.54 DLL Hijacking via Unsafe Loading of MEAIAM.DLL
    cvelistv5