CVE-2019-12593: IceWarp Mail Server through 10.4.4 is prone to a local file inclusion vulnerability via webmail/calendar/minim

Q: How do I fix CVE-2019-12593?

mail server: upgrade to newer than 10.4.4. Exact commands for each OS are on this page.

Q: Is CVE-2019-12593 being exploited?

CVE-2019-12593 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2019-12593 affect?

CVE-2019-12593 affects mail server. Severity is high (CVSS 7.5). IceWarp Mail Server through 10.4.4 is prone to a local file inclusion vulnerability via webmail/calendar/minimizer/index.php?style=..%5c directory traversal.

Q: How urgent is CVE-2019-12593?

Priority 61/100. High severity; EPSS top 1%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2019-12593 is a high-severity flaw (CVSS 7.5) affecting mail server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

IceWarp Mail Server through 10.4.4 is prone to a local file inclusion vulnerability via webmail/calendar/minimizer/index.php?style=..%5c directory traversal.

Why this priority

High severity
EPSS top 1%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	41.0% (top 1%)
CISA exploited list	No
Weakness	CWE-22
Published	2019-06-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: icewarp

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-06-03 17:29 UTCPublished CVE record published
2026-06-17 02:14 UTCUpdated Record last modified

icewarp mail server UPGRADE

Affected: <= 10.4.4

Fixed in: newer than 10.4.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mail-server || rpm -q mail-server || mail-server --version

2. UPGRADE to newer than 10.4.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mail-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mail-server

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: IceWarp 10.4.4 - Local File Inclusion
Nuclei scan template: IceWarp Mail Server <=10.4.4 - Local File Inclusion

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-12593?

mail server: upgrade to newer than 10.4.4. Exact commands for each OS are on this page.

Is CVE-2019-12593 being exploited?

CVE-2019-12593 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-12593 affect?

CVE-2019-12593 affects mail server. Severity is high (CVSS 7.5). IceWarp Mail Server through 10.4.4 is prone to a local file inclusion vulnerability via webmail/calendar/minimizer/index.php?style=..%5c directory traversal.

How urgent is CVE-2019-12593?

Priority 61/100. High severity; EPSS top 1%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

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References

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