MailEnable up to 10.53 MEAIAU.DLL uncontrolled search path

Summaryinfo

A vulnerability was found in MailEnable up to 10.53. It has been rated as problematic. Impacted is an unknown function in the library MEAIAU.DLL. The manipulation leads to uncontrolled search path. This vulnerability is referenced as CVE-2025-34423. The attack can only be performed from a local environment. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in MailEnable up to 10.53 and classified as critical. This issue affects an unknown function in the library MEAIAU.DLL. The manipulation with an unknown input leads to a uncontrolled search path vulnerability. Using CWE to declare the problem leads to CWE-427. The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

MailEnable versions prior to 10.54 contain an unsafe DLL loading vulnerability that can lead to local arbitrary code execution. The MailEnable administrative executable attempts to load MEAIAU.DLL from its installation directory without sufficient integrity validation or a secure search order. A local attacker with write access to that directory can plant a malicious MEAIAU.DLL, which is then loaded on execution, resulting in attacker-controlled code running with the privileges of the process.

The weakness was published by Mushroomsecteam. It is possible to read the advisory at mailenable.com. The identification of this vulnerability is CVE-2025-34423 since 04/15/2025. The exploitation is known to be difficult. Attacking locally is a requirement. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1574 according to MITRE ATT&CK.

Upgrading to version 10.54 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-202442). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Mail Server Software

Name

• MailEnable

Version

• 10.0
• 10.1
• 10.2
• 10.3
• 10.4
• 10.5
• 10.6
• 10.7
• 10.8
• 10.9
• 10.10
• 10.11
• 10.12
• 10.13
• 10.14
• 10.15
• 10.16
• 10.17
• 10.18
• 10.19
• 10.20
• 10.21
• 10.22
• 10.23
• 10.24
• 10.25
• 10.26
• 10.27
• 10.28
• 10.29
• 10.30
• 10.31
• 10.32
• 10.33
• 10.34
• 10.35
• 10.36
• 10.37
• 10.38
• 10.39
• 10.40
• 10.41
• 10.42
• 10.43
• 10.44
• 10.45
• 10.46
• 10.47
• 10.48
• 10.49
• 10.50
• 10.51
• 10.52
• 10.53

License

• commercial

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

Discussion