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Vulnerability record · CVE-2023-39699 · published 25 August 2023

CVE-2023-39699: Icewarp mail server path traversal vulnerability

Icewarp · Mail Server

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.

9.8 CVSS 3.1 Critical EPSS 1.4% · top 28.5% CWE-22 · Path traversal
9.8CVSS 3.1 base score
1.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/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
https://cwe.mitre.org/data/definitions/98.html Third Party Advisory
https://drive.google.com/file/d/1NkqL4ySJApyPy8B-zDC7vE-QMBQAu8OU ExploitThird Party Advisory
https://owasp.org/www-project-web-security-testing-guide/v42/4-Web_Application_Security_Testing/07-Input_Validation_Test Third Party Advisory
https://cwe.mitre.org/data/definitions/98.html Third Party Advisory
https://drive.google.com/file/d/1NkqL4ySJApyPy8B-zDC7vE-QMBQAu8OU ExploitThird Party Advisory
https://owasp.org/www-project-web-security-testing-guide/v42/4-Web_Application_Security_Testing/07-Input_Validation_Test Third Party Advisory

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Related vulnerabilities

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

8.8CVE-2020-14066Icewarp mail server unrestricted file upload vulnerabilityIceWarp Email Server 12.3.0.1 allows remote attackers to upload JavaScript files that are dangerous for clients to access.EPSS 1.8%7.5CVE-2019-12593Icewarp mail server path traversal vulnerabilityIceWarp Mail Server through 10.4.4 is prone to a local file inclusion vulnerability via webmail/calendar/minimizer/index.php?style=..%5c directory tr…EPSS 41%7.5CVE-2015-1503IceWarp Mail Server directory traversal in webmail scriptsIceWarp Mail Server before 11.2 contains multiple directory traversal flaws in webmail PHP endpoints. The file parameter of webmail/client/skins/defa…EPSS 58%analysed6.5CVE-2020-14064Icewarp mail server exposure of resource to wrong sphere vulnerabilityIceWarp Email Server 12.3.0.1 has Incorrect Access Control for user accounts.EPSS 0.97%6.5CVE-2020-14065Icewarp mail server unrestricted file upload vulnerabilityIceWarp Email Server 12.3.0.1 allows remote attackers to upload files and consume disk space.EPSS 1.5%6.4CVE-2011-3579Icewarp mail server vulnerabilityserver/webmail.php in IceWarp WebMail in IceWarp Mail Server before 10.3.3 allows remote attackers to read arbitrary files, and possibly send HTTP re…EPSS 4.8%6.1CVE-2023-39700Icewarp mail server cross-site scripting vulnerabilityIceWarp Mail Server v10.4.5 was discovered to contain a reflected cross-site scripting (XSS) vulnerability via the color parameter.EPSS 1.5%6.1CVE-2021-36580Icewarp server open redirect vulnerabilityOpen Redirect vulnerability exists in IceWarp MailServer IceWarp Server Deep Castle 2 Update 1 (13.0.1.2) via the referer parameter.EPSS 1.6%

Source: NIST National Vulnerability Database (record CVE-2023-39699), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.