Improper access control in the MQTT broker allows wildcard topic subscriptions, exposing all MQTT traffic to unauthorized actors.
Published: 2026-05-29
Updated: 2026-06-08
Base Score: 6.1
Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:N/A:N
Severity: Medium
Base Score: 4.9
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Severity: Medium
Base Score: 8.3
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
Severity: High
EPSS: 0.00038