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CVE-2025-34428— MailEnable < 10.54 Cleartext Credential Storage in AUTH.SAV

Quick assessment

Affected
MailEnable MailEnable
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

MailEnable是澳大利亚MailEnable公司的一个基于 Windows 的商业电子邮件服务器。 MailEnable 10.54之前版本存在安全漏洞，该漏洞源于明文存储凭据，可能导致本地凭据泄露和账户接管。

AI Predicted 5.9 Difficulty: Trivial EPSS 0.12% · P2

Affected Version Matrix 1

VendorProduct Version RangeStatus
MailEnable MailEnable < 10.54 affected
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I. Basic Information for CVE-2025-34428

Vulnerability Information
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Vulnerability Title
MailEnable < 10.54 Cleartext Credential Storage in AUTH.SAV
Source: CVE Program / CVE List V5
Vulnerability Description
MailEnable versions prior to 10.54 contain a cleartext storage of credentials vulnerability that can lead to local credential compromise and account takeover. The product stores user and administrative passwords in plaintext within AUTH.SAV with overly permissive filesystem access. A local authenticated user with read access to this file can recover all user passwords and super-admin credentials, then use them to authenticate to MailEnable services such as POP3, SMTP, or the webmail interface, enabling unauthorized mailbox access and administrative control.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文存储
Source: CVE Program / CVE List V5
Vulnerability Title
MailEnable 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MailEnable是澳大利亚MailEnable公司的一个基于 Windows 的商业电子邮件服务器。 MailEnable 10.54之前版本存在安全漏洞，该漏洞源于明文存储凭据，可能导致本地凭据泄露和账户接管。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
MailEnable MailEnable 0 ~ 10.54 -

II. Public POCs for CVE-2025-34428

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III. Intelligence Information for CVE-2025-34428

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Vendor Pages for CVE-2025-34428 (1)

Other References for CVE-2025-34428 (1)

Same Patch Batch · MailEnable · 2025-12-10 · 11 CVEs total

CVE-2025-34416 MailEnable < 10.54 DLL Hijacking via Unsafe Loading of MEAIPO.DLL
CVE-2025-34422 MailEnable < 10.54 DLL Hijacking via Unsafe Loading of MEAIPC.DLL
CVE-2025-34420 MailEnable < 10.54 DLL Hijacking via Unsafe Loading of MEAIAM.DLL
CVE-2025-34419 MailEnable < 10.54 DLL Hijacking via Unsafe Loading of MEAISM.DLL
CVE-2025-34423 MailEnable < 10.54 DLL Hijacking via Unsafe Loading of MEAIAU.DLL
CVE-2025-34421 MailEnable < 10.54 DLL Hijacking via Unsafe Loading of MEAISP.DLL
CVE-2025-34417 MailEnable < 10.54 DLL Hijacking via Unsafe Loading of MEAISO.DLL
CVE-2025-34424 MailEnable < 10.54 DLL Hijacking via Unsafe Loading of MEAIDP.DLL
CVE-2025-34418 MailEnable < 10.54 DLL Hijacking via Unsafe Loading of MEAIMF.DLL
CVE-2025-34427 MailEnable < 10.54 Cleartext Credential Storage in AUTH.TAB

IV. Related Vulnerabilities

Same product: MailEnable
Same vendor: MailEnable
Same weakness: CWE-312

V. Comments for CVE-2025-34428

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