6.9

CVE-2020-10023: zephyrproject-rtos zephyr Classic Buffer Overflow

CVSS: 6.9v3.1MediumModified
Published 11-05-2020Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2020-10023 is a medium (CVSS 6.9) Classic Buffer Overflow vulnerability in zephyrproject-rtos zephyr. EPSS estimates a 0.47% chance of exploitation in the next 30 days, higher than 39.9% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.9/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.47%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 11-05-2020
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

The shell subsystem contains a buffer overflow, whereby an adversary with physical access to the device is able to cause a memory corruption, resulting in denial of service or possibly code execution within the Zephyr kernel. See NCC-NCC-019 This issue affects: zephyrproject-rtos zephyr version 1.14.0 and later versions. version 2.1.0 and later versions.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.47%

Chance of exploitation in the next 30 days

Percentile

40%

Versus all other CVEs

30-day change

0.00 pp

From 0.47% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.47%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Zephyrproject1 product
Zephyrproject-rtos1 product
  • zephyr≥ 1.14.0, < unspecified | ≥ 2.1.0, < unspecified

2 vendors · 2 products

References

5 links