CVE-2025-12790

HIGH EPSS 23.1%
Published Nov 6, 20257mo ago · Modified Jun 17, 20261w ago
7.4 CVSS 3.1
High
Find Similar
Published Nov 6, 2025 7mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
7.4
Exploitability
2.2
Impact
5.2
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability None

Threat Intelligence

EPSS Exploit Probability
23.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-29

References 3

  • access.redhat.com https://access.redhat.com/security/cve/CVE-2025-12790
  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=2413004
  • github.com https://github.com/njh/ruby-mqtt/blob/main/NEWS.md#ruby-mqtt-version-070-2025-10-29

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.