CVE-2017-7650
mosquitto - security update
6.5
MEDIUM
CVSS 3.1
EPSS 4.0%
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.
How to fix CVE-2017-7650
To remediate CVE-2017-7650, upgrade the affected package to a fixed version below.
- —upgrade to 1.4.12-r0 or later
- —upgrade to 1.4.10-3 or later
- —upgrade to 0.15-2+deb7u1 or later
- —upgrade to 1.3.4-2+deb8u1 or later
Is CVE-2017-7650 being exploited?
Low — EPSS is 4.0%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 1.4.12-r0
- from 0, < 1.4.10-3
- from 0, < 0.15-2+deb7u1
- from 0, < 1.3.4-2+deb8u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |