VULNERABILITY INTELLIGENCE

CVE-2017-2893

CVSS score7.5 HIGH
EPSS probability24.94%
CISA KEVNot currently listed
Published2017-11-07
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • CWE-476: NULL Pointer Dereference

Primary references