cve.bz

CVE-2017-7650

6.5 mediumEPSS 2.5%

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.

Severity

CVSS 3.0

6.5 medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS
2.5% chance of exploitation in the next 30 days; higher than 84% of CVEs (scores of 2026-10-31)
CWE
CWE-287
Published
Modified
Record from
the NVD, synced

Affected

References

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