CVEvulnerability
CVE-2020-10071
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2020-06-05
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.0 CRITICAL — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-120, CWE-129
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.
Affected configurations
• zephyrproject zephyr (<= 2.2.0)
Related
References
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10071 Vendor Advisory
- https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/989c4713ba429aa5105fe476b4d629718f3e6082 Patch, Third Party Advisory
- https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment Third Party Advisory
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-86 Third Party Advisory
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10071 Vendor Advisory
- https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/989c4713ba429aa5105fe476b4d629718f3e6082 Patch, Third Party Advisory
- https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment Third Party Advisory
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-86 Third Party Advisory