CVE-2017-2893

HIGH

Cesanta Mongoose 6.8 - Denial of Service via MQTT SUBSCRIBE Packet Parsing

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Exploit, Technical Description, Third Party Advisory x_refsource_misc
https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0400

Scores

CVSS v3 7.5
EPSS 0.2658
EPSS Percentile 97.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-476
Status published
Products (2)
cesanta/mongoose 6.8
Cesanta/Mongoose 6.8
Published Nov 07, 2017
Tracked Since Feb 18, 2026