VULNERABILITY INTELLIGENCE

CVE-2017-7650

CVSS score6.5 MEDIUM
EPSS probability2.47%
CISA KEVNot currently listed
Published2017-09-11
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Description

In Mosquitto before 1.4.12, pattern based ACLs can be bypassed by clients that set their username/client id to '#' or '+'. This allows locally or remotely connected clients to access MQTT topics that they do have the rights to. The same issue may be present in third party authentication/access control plugins for Mosquitto.

Weakness classification

  • CWE-287: Improper Authentication

Primary references