CVE-2023-39699

Name: CVE-2023-39699
Creator: NVD / NIST
Published: 2023-08-25T00:15:09.283+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.16%

Last modified Jun 17, 2026

CVE-2023-39699 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. IceWarp Mail Server v10.4.5 was discovered to contain a local file inclusion (LFI) vulnerability via the component /calendar/minimizer/index.php. This vulnerability allows attackers to include or execute files from the local file system of the targeted server.. EPSS estimates a 1.16% chance of exploitation in the next 30 days.

Description

IceWarp Mail Server v10.4.5 was discovered to contain a local file inclusion (LFI) vulnerability via the component /calendar/minimizer/index.php. This vulnerability allows attackers to include or execute files from the local file system of the targeted server.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.16%

63.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Icewarp	Mail Server	10.4.5

References

https://cwe.mitre.org/data/definitions/98.htmlThird Party Advisory
https://drive.google.com/file/d/1NkqL4ySJApyPy8B-zDC7vE-QMBQAu8OUExploit, Third Party Advisory
https://owasp.org/www-project-web-security-testing-guide/v42/4-Web_Application_Security_Testing/07-Input_Validation_Testing/11.1-Testing_for_Local_File_InclusionThird Party Advisory
https://cwe.mitre.org/data/definitions/98.htmlThird Party Advisory
https://drive.google.com/file/d/1NkqL4ySJApyPy8B-zDC7vE-QMBQAu8OUExploit, Third Party Advisory
https://owasp.org/www-project-web-security-testing-guide/v42/4-Web_Application_Security_Testing/07-Input_Validation_Testing/11.1-Testing_for_Local_File_InclusionThird Party Advisory

Timeline

Published: Aug 25, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-39699?

How severe is CVE-2023-39699?

CVE-2023-39699 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.16% probability of exploitation in the next 30 days.

How do I fix CVE-2023-39699?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-39699?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST