A flaw was found in Rubygem MQTT. By default, the package used to not have hostname validation, resulting in possible Man-in-the-Middle (MITM) attack.
History

Fri, 07 Nov 2025 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Important


Thu, 06 Nov 2025 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 06 Nov 2025 21:15:00 +0000

Type Values Removed Values Added
Description A flaw was found in Rubygem MQTT. By default, the package used to not have hostname validation, resulting in possible Man-in-the-Middle (MITM) attack.
Title Rubygem-mqtt: rubygem-mqtt hostname validation
First Time appeared Redhat
Redhat satellite
Weaknesses CWE-29
CPEs cpe:/a:redhat:satellite:6
Vendors & Products Redhat
Redhat satellite
References
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2025-11-06T21:07:34.970Z

Updated: 2025-11-08T04:55:19.808Z

Reserved: 2025-11-06T03:33:00.733Z

Link: CVE-2025-12790

cve-icon Vulnrichment

Updated: 2025-11-06T21:30:07.053Z

cve-icon NVD

Status : Received

Published: 2025-11-06T21:15:40.000

Modified: 2025-11-06T21:15:40.000

Link: CVE-2025-12790

cve-icon Redhat

Severity : Important

Publid Date: 2025-11-06T00:00:00Z

Links: CVE-2025-12790 - Bugzilla