CVE-2020-10070
9.0
CRITICAL · CVSS 3.1 · EPSS 2.9% (pctl 86)
In your normal cycle
Critical by CVSS (9), but no sign of active exploitation.
Description
In the Zephyr Project MQTT code, improper bounds checking can result in memory corruption and possibly remote code execution. NCC-ZEP-031 This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions.
Scoring
| CVSS | 9.0 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H |
| EPSS | 2.88% — more likely to be exploited than 86% of all CVEs |
| Weakness | CWE-120 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2020-06-05 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| zephyrproject | zephyr |
References
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10070
- https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/0b39cbf3c01d7feec9d0dd7cc7e0e374b6113542
- https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-85
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10070
- https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/0b39cbf3c01d7feec9d0dd7cc7e0e374b6113542
- https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-85
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