Vulnerability Details CVE-2021-28166
In Eclipse Mosquitto version 2.0.0 to 2.0.9, if an authenticated client that had connected with MQTT v5 sent a crafted CONNACK message to the broker, a NULL pointer dereference would occur.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 69.0%
CVSS Severity
CVSS v3 Score 6.5
CVSS v2 Score 4.0
References
Products affected by CVE-2021-28166
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cpe:2.3:a:eclipse:mosquitto:2.0.0
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cpe:2.3:a:eclipse:mosquitto:2.0.1
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cpe:2.3:a:eclipse:mosquitto:2.0.2
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cpe:2.3:a:eclipse:mosquitto:2.0.3
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cpe:2.3:a:eclipse:mosquitto:2.0.4
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cpe:2.3:a:eclipse:mosquitto:2.0.5
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cpe:2.3:a:eclipse:mosquitto:2.0.6
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cpe:2.3:a:eclipse:mosquitto:2.0.7
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cpe:2.3:a:eclipse:mosquitto:2.0.8
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cpe:2.3:a:eclipse:mosquitto:2.0.9