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Vulnerability record · CVE-2024-24760 · published 2 February 2024

CVE-2024-24760: Mailcow\ vulnerability

MMailcow · Mailcow\

mailcow is a dockerized email package, with multiple containers linked in one bridged network. A security vulnerability has been identified in mailcow affecting versions < 2024-01c. This vulnerability potentially allows attackers on the same subnet to connect to exposed ports of a Docker container, even when the port is bound to 127.0.0.1. The vulnerability has been addressed by implementing additional iptables/nftables rules. These rules drop packets for Docker containers on ports 3306, 6379, 8983, and 12345, where the input interface is not `br-mailcow` and the output interface is `br-mailcow`.

7.3 CVSS 3.1 High EPSS 0.87% · top 42.9% CWE-610 · CWE-610
7.3CVSS 3.1 base score
0.87%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

mailcow is a dockerized email package, with multiple containers linked in one bridged network. A security vulnerability has been identified in mailcow affecting versions < 2024-01c. This vulnerability potentially allows attackers on the same subnet to connect to exposed ports of a Docker container, even when the port is bound to 127.0.0.1. The vulnerability has been addressed by implementing additional iptables/nftables rules. These rules drop packets for Docker containers on ports 3306, 6379, 8983, and 12345, where the input interface is not `br-mailcow` and the output interface is `br-mailcow`.

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

Affected products

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

References

LinkTags
https://github.com/mailcow/mailcow-dockerized/commit/087481ac12bfa5dd715f3630f0b1697be94f7e88 Patch
https://github.com/mailcow/mailcow-dockerized/security/advisories/GHSA-gmpj-5xcm-xxx6 MitigationVendor Advisory
https://github.com/mailcow/mailcow-dockerized/commit/087481ac12bfa5dd715f3630f0b1697be94f7e88 Patch
https://github.com/mailcow/mailcow-dockerized/security/advisories/GHSA-gmpj-5xcm-xxx6 MitigationVendor Advisory

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2024-24760), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.