CVE-2017-2893

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

An exploitable NULL pointer dereference vulnerability exists in the MQTT packet parsing functionality of Cesanta Mongoose 6.8. An MQTT SUBSCRIBE packet can cause a NULL pointer dereference leading to server crash and denial of service. An attacker needs to send a specially crafted MQTT packet over the network to trigger this vulnerability.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

Vendor	Product	Versions
Cesanta	Mongoose	6.8

References

https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0400Exploit, Technical Description, Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0400Exploit, Technical Description, Third Party Advisory

Timeline

Published: Nov 7, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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