CVE-2021-28166

Description

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.

Risk Information

Base Score
6.5
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score
Exploitation Probability
0.624

Associated Vulnerability

VulnerabilityOS Platform
Vulnerabilities CVE-2021-28166 are fixed in Eclipse Mosquitto MQTT broker (2.0.18)Windows
Vulnerabilities CVE-2021-28166 are fixed in Eclipse Mosquitto MQTT broker (x64) (2.0.18)Windows

Patch Details

Click to see the patches provided by ManageEngine for this CVE
Patch IDPatch Description
PATCH-333302Eclipse Mosquitto MQTT broker (2.0.18)
PATCH-333303Eclipse Mosquitto MQTT broker (x64) (2.0.18)

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234