CVEvulnerability

CVE-2021-28166

6.5 MEDIUM Published 2021-04-07 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-04-07
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
4.0 MEDIUM — AV:N/AC:L/Au:S/C:N/I:N/A:P
Weaknesses
CWE-476

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.

Affected configurations

• eclipse mosquitto (>= 2.0.0 <= 2.0.9)

Related

Weakness · CWE (1)

  • CWE-476 NULL Pointer Dereference weakness

References