CVEvulnerability

CVE-2020-13849

7.5 HIGH Published 2020-06-04 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-06-04
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-400

Description

The MQTT protocol 3.1.1 requires a server to set a timeout value of 1.5 times the Keep-Alive value specified by a client, which allows remote attackers to cause a denial of service (loss of the ability to establish new connections), as demonstrated by SlowITe.

Affected configurations

• mqtt mqtt 3.1.1

Related

Weakness · CWE (1)

  • CWE-400 Uncontrolled Resource Consumption weakness

References