How severe is CVE-2019-12924?

CVE-2019-12924 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-12924 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-12924?

CVE-2019-12924 affects Mailenable. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-12924?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-12924 published?

CVE-2019-12924 was published on 2019-07-08 and last updated on 2026-06-17.

CVE-2019-12924

CVE-2019-12924 is a critical-severity vulnerability in Mailenable with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-311.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 5.0
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-311
Affected product: Mailenable
Published: 2019-07-08
Last modified: 2026-06-17

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).

Frequently asked questions

What is CVE-2019-12924?: 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).
How severe is CVE-2019-12924?: CVE-2019-12924 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-12924 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-12924?: CVE-2019-12924 affects Mailenable. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-12924?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-12924 published?: CVE-2019-12924 was published on 2019-07-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mailenable:mailenable:*:*:*:*:premium:*:*:*

More vulnerabilities in Mailenable

CVE-2015-9280 — Critical (CVSS 10.0): MailEnable before 8.60 allows XXE via an XML document in the request.aspx Options parameter.
CVE-2025-44148 — Critical (CVSS 9.8): Cross Site Scripting (XSS) vulnerability in MailEnable before v10 allows a remote attacker to execute arbitrary code…
CVE-2015-9278 — Critical (CVSS 9.8): MailEnable before 8.60 allows Privilege Escalation because admin accounts could be created as a consequence of %0A…
CVE-2015-9277 — Critical (CVSS 9.1): MailEnable before 8.60 allows Directory Traversal for reading the messages of other users, uploading files, and…
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CVE-2019-12926 — High (CVSS 8.8): MailEnable Enterprise Premium 10.23 did not use appropriate access control checks in a number of areas. As a result, it…

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