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CVE-2025-34428

MailEnable < 10.54 Cleartext Credential Storage in AUTH.SAV

Published: Dec 10, 2025Updated: Dec 17, 2025 Sources: CVE List NVDCWE-312
NVD MITRE
7.8CVSSHIGH
EPSS Score
0.1%
Top 98.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

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.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-312

Affected Products

mailenablemailenable
On-premWeb App
Communications / email-server-client
MailEnableMailEnable
On-premWeb App
Communications / email-server-client
mailenablecommercialAUCommunicationsaka mail enable

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique
Credential Access
View detailed technique mapping

References

https://mailenable.com/Standard-ReleaseNotes.txt
mailenable.com
https://www.mailenable.com/
mailenable.com
https://www.vulncheck.com/advisories/mailenable-cleartext-credential-storage-in-auth-sav
vulncheck.com

Timeline

Published
Dec 10, 2025
Last Updated
Dec 17, 2025

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