CVE-2020-10071

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

3.39% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 88.2% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-06-05 17:37Z6 YR AGO

Last updated

2024-09-17 04:19Z2 YR AGO

Reserved

2020-03-04

Assigning CNA

zephyr

Record state

PUBLISHED

Severity

Critical (CVSS 9.0)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Weaknesses

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base
• CWE-129Improper Validation of Array IndexVariant

Data version

5.1

Document digest

24d9cb2cb078006f1d2a49363ef4cd12024f8efccc079fdd0a26187ed4feded4

• research.nccgroup.comhttps://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessmentx_refsource_MISC
• zephyrprojectsec.atlassian.nethttps://zephyrprojectsec.atlassian.net/browse/ZEPSEC-86x_refsource_MISC
• docs.zephyrproject.orghttps://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10071x_refsource_MISC
• github.comhttps://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/989c4713ba429aa5105fe476b4d629718f3e6082x_refsource_MISC