VULNERABILITY INTELLIGENCE
CVE-2020-10071
CVSS score9 CRITICAL
EPSS probability3.40%
CISA KEVNot currently listed
Published2020-06-05
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Description
The Zephyr MQTT parsing code performs insufficient checking of the length field on publish messages, allowing a buffer overflow and potentially remote code execution. NCC-ZEP-031 This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions.
Weakness classification
- vulnerabilities@zephyrproject.org: CWE-120
- nvd@nist.gov: CWE-120
Primary references
- vulnerabilities@zephyrproject.org — Vendor Advisory
- vulnerabilities@zephyrproject.org — Patch, Third Party Advisory
- vulnerabilities@zephyrproject.org — Third Party Advisory
- vulnerabilities@zephyrproject.org — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory