← Vulnerability feed

Vulnerability record · CVE-2024-30270 · published 4 April 2024

CVE-2024-30270: Mailcow\ path traversal vulnerability

MMailcow · Mailcow\

mailcow: dockerized is an open source groupware/email suite based on docker. A security vulnerability has been identified in mailcow affecting versions prior to 2024-04. This vulnerability is a combination of path traversal and arbitrary code execution, specifically targeting the `rspamd_maps()` function. It allows authenticated admin users to overwrite any file writable by the www-data user by exploiting improper path validation. The exploit chain can lead to the execution of arbitrary commands on the server. Version 2024-04 contains a patch for the issue.

6.2 CVSS 3.1 Medium EPSS 27% · top 2.0% CWE-22 · Path traversal
6.2CVSS 3.1 base score
27%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

mailcow: dockerized is an open source groupware/email suite based on docker. A security vulnerability has been identified in mailcow affecting versions prior to 2024-04. This vulnerability is a combination of path traversal and arbitrary code execution, specifically targeting the `rspamd_maps()` function. It allows authenticated admin users to overwrite any file writable by the www-data user by exploiting improper path validation. The exploit chain can lead to the execution of arbitrary commands on the server. Version 2024-04 contains a patch for the issue.

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

Affected products

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

References

LinkTags
https://github.com/mailcow/mailcow-dockerized/security/advisories/GHSA-4m8r-87gc-3vvp Vendor Advisory
https://mailcow.email/posts/2024/release-2024-04 Release Notes
https://www.sonarsource.com/blog/remote-code-execution-in-mailcow-always-sanitize-error-messages ExploitThird Party Advisory
https://github.com/mailcow/mailcow-dockerized/security/advisories/GHSA-4m8r-87gc-3vvp Vendor Advisory
https://mailcow.email/posts/2024/release-2024-04 Release Notes
https://www.vicarius.io/vsociety/posts/mailcow-with-xss-and-path-traversal-cve-2024-31204-and-cve-2024-30270 ExploitThird Party Advisory

Track CVE-2024-30270 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

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

8.8CVE-2025-25198Mailcow\ open redirect vulnerabilitymailcow: dockerized is an open source groupware/email suite based on docker. Prior to version 2025-01a, a vulnerability in mailcow's password reset f…EPSS 1.1%8.8CVE-2023-34108Mailcow\ os command injection vulnerabilitymailcow is a mail server suite based on Dovecot, Postfix and other open source software, that provides a modern web UI for user/server administration…EPSS 0.98%8.8CVE-2023-26490Mailcow\ os command injection vulnerabilitymailcow is a dockerized email package, with multiple containers linked in one bridged network. The Sync Job feature - which can be made available to …EPSS 2.2%8.8CVE-2022-31138Mailcow\ os command injection vulnerabilitymailcow is a mailserver suite. Prior to mailcow-dockerized version 2022-06a, an extended privilege vulnerability can be exploited by manipulating the…EPSS 3.3%8.8CVE-2022-31245Mailcow\ os command injection vulnerabilitymailcow before 2022-05d allows a remote authenticated user to inject OS commands and escalate privileges to domain admin via the --debug option in co…EPSS 5.4%8.8CVE-2017-8928Mailcow\ cross-site request forgery vulnerabilitymailcow 0.14, as used in "mailcow: dockerized" and other products, has CSRF.EPSS 2.0%8.2CVE-2022-39258Mailcow\ information exposure vulnerabilitymailcow is a mailserver suite. A vulnerability innversions prior to 2022-09 allows an attacker to craft a custom Swagger API template to spoof Author…EPSS 1.8%7.3CVE-2024-24760Mailcow\ vulnerabilitymailcow is a dockerized email package, with multiple containers linked in one bridged network. A security vulnerability has been identified in mailco…EPSS 0.87%

Source: NIST National Vulnerability Database (record CVE-2024-30270), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.