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Vulnerability record · CVE-2019-12924 · published 8 July 2019

CVE-2019-12924: Mailenable missing encryption vulnerability

Mailenable · Mailenable

MailEnable Enterprise Premium 10.23 was vulnerable to XML External Entity Injection (XXE) attacks that could be exploited by an unauthenticated user. It was possible for an attacker to use a vulnerability in the configuration of the XML processor to read any file on the host system. Because all credentials were stored in a cleartext file, it was possible to steal all users' credentials (including the highest privileged users).

9.8 CVSS 3.0 Critical EPSS 0.90% · top 42.0% CWE-311 · Missing encryptionCWE-611 · XML external entity (XXE)
9.8CVSS 3.0 base score, v2 5.0
0.90%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

MailEnable Enterprise Premium 10.23 was vulnerable to XML External Entity Injection (XXE) attacks that could be exploited by an unauthenticated user. It was possible for an attacker to use a vulnerability in the configuration of the XML processor to read any file on the host system. Because all credentials were stored in a cleartext file, it was possible to steal all users' credentials (including the highest privileged users).

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.mailenable.com/Premium-ReleaseNotes.txt Release NotesVendor Advisory
https://www.nccgroup.trust/uk/our-research/technical-advisory-multiple-vulnerabilities-in-mailenable/ Release NotesThird Party Advisory
http://www.mailenable.com/Premium-ReleaseNotes.txt Release NotesVendor Advisory
https://www.nccgroup.trust/uk/our-research/technical-advisory-multiple-vulnerabilities-in-mailenable/ Release NotesThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2015-9280Mailenable xml external entity (xxe) vulnerabilityMailEnable before 8.60 allows XXE via an XML document in the request.aspx Options parameter.EPSS 1.8%9.8CVE-2025-44148MailEnable failure.aspx XSS allows remote code executionMailEnable before v10 contains a cross-site scripting flaw in the failure.aspx component. The record describes it as allowing a remote attacker to ex…EPSS 55%analysed9.8CVE-2015-9278Mailenable vulnerabilityMailEnable before 8.60 allows Privilege Escalation because admin accounts could be created as a consequence of %0A mishandling in AUTH.TAB after a pa…EPSS 2.5%9.1CVE-2015-9277Mailenable path traversal vulnerabilityMailEnable before 8.60 allows Directory Traversal for reading the messages of other users, uploading files, and deleting files because "/../" and "/.…EPSS 2.2%8.8CVE-2022-42136Mailenable path traversal vulnerabilityAuthenticated mail users, under specific circumstances, could add files with unsanitized content in public folders where the IIS user had permission …EPSS 0.87%8.8CVE-2019-12926Mailenable missing authorization vulnerabilityMailEnable Enterprise Premium 10.23 did not use appropriate access control checks in a number of areas. As a result, it was possible to perform a num…EPSS 0.94%8.7CVE-2026-44400Mailenable insecure direct object reference vulnerabilityMailEnable Enterprise Premium 10.55 and earlier contains an improper authorization vulnerability in the WebAdmin mobile portal that allows attackers …EPSS 0.61%8.5CVE-2025-34423Mailenable uncontrolled search path element vulnerabilityMailEnable versions prior to 10.54 contain an unsafe DLL loading vulnerability that can lead to local arbitrary code execution. The MailEnable admini…EPSS 0.17%

Source: NIST National Vulnerability Database (record CVE-2019-12924), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.