CVE-2019-17389

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

In RIOT 2019.07, the MQTT-SN implementation (asymcute) mishandles errors occurring during a read operation on a UDP socket. The receive loop ends. This allows an attacker (via a large packet) to prevent a RIOT MQTT-SN client from working until the device is restarted.

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

Affected software

VendorProductVersions
n/an/an/a

References

Timeline

Published
Oct 9, 2019
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2019-17389: High severity, CVSS 7.5 | Vulnix