TI-2020-10835 Aliases CVE-2020-13849 GHSA-cx2v-x9qw-9rgc

The MQTT protocol 3.1.1 requires a server to set a timeout value of 1.5 times the…

LOW 37CWE-400Published 2020-06-04 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-400.

Summary

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.

Why it matters now

EPSS 0.02051 81st percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:mqtt:mqtt:3.1.1:::::::*	3.1.1	Vulnerable	Mqtt

cpe:2.3:a:mqtt:mqtt:3.1.1:*:*:*:*:*:*:* Versions 3.1.1 Vulnerable ·Mqtt

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-13849
2026-10-03 Alias added: GHSA-cx2v-x9qw-9rgc

References

Advisory 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences