AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2020-13849

HIGH · CVSS 7.5 EPSS 2.00%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-06-04 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. It may be remotely exploitable. It may lead to a denial-of-service condition.

CVE
CVE-2020-13849
Severity
HIGH
CVSS
7.5
EPSS
2.00%

Original NVD 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.