Detections
Analytics

SCA: security update for mqtt (GHSA-9c5q-w6gr-fxcq)

high Tenable Cloud Security Plugin ID 435967

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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. (CVE-2025-12790)

See Also

https://github.com/advisories/GHSA-9c5q-w6gr-fxcq

Plugin Details

Severity: High

ID: 435967

Version: Revision 1.7

Type: Local

Family: SCA Checks

Published: 11/7/2025

Updated: 6/1/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.52

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.3

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:N

CVSS Score Source: CVE-2025-12790

CVSS v3

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.4

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 11/6/2025

Vulnerability Publication Date: 11/6/2025

Reference Information

CVE: CVE-2025-12790

cwe: CWE-29