CVE-2020-13849

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CVSS 3.1

7.5 high

EPSS

2%p80

Published

Jun 4, 2020 (Jun 4, 2020)

Modified

Jun 17, 2026

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.

Vendors: mqtt
Products: mqtt
Weakness: CWE-400
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (2.0%)

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