CVE-2016-10523
CVSS v3
7.5
HIGH
EPSS Score
2.5 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
MQTT before 3.4.6 and 4.0.x before 4.0.5 allows specifically crafted MQTT packets to crash the application, making a DoS attack feasible with very little bandwidth.
Technical details
- Published
- 2018-05-31
Frequently asked questions
What is CVE-2016-10523?
MQTT before 3.4.6 and 4.0.x before 4.0.5 allows specifically crafted MQTT packets to crash the application, making a DoS attack feasible with very little bandwidth.
Is CVE-2016-10523 actively exploited?
Active exploitation of CVE-2016-10523 has not been confirmed. Its EPSS score was 2.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2016-10523?
CVE-2016-10523 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2016-10523 affecting your environment?
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