CVE-2017-2893

7.5 HIGH
Published: November 07, 2017 Modified: May 13, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0400
Source: talos-cna@cisco.com
Exploit Technical Description Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0400
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Technical Description Third Party Advisory

2 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
26.6%
98th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

cesanta