Auth bypass in Eclipse Mosquitto
CVE-2017-7650
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 is…
Vulnerability class: Broken Authentication
EPSS: 0.040 (88.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Eclipse Mosquitto
- Eclipse Foundation Mosquitto — versions 0.15 to 1.4.11 inclusive
- Debian Debian_linux — versions 8.0
Weakness classification (CWE)
References
- emo@eclipse.org (x_refsource_CONFIRM, Patch, Vendor Advisory)
- emo@eclipse.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- emo@eclipse.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- emo@eclipse.org (x_refsource_CONFIRM, Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-7650?
- CVE-2017-7650 is a medium-severity vulnerability in Eclipse Mosquitto, classified under Improper Authentication. CVSS score: 6.5/10. Published 2017-09-11.
- How severe is CVE-2017-7650?
- Medium severity. CVSS v3 base score is 6.5 out of 10.