Out-of-bounds write in USB Mass Storage with unaligned sizes (zephyrproject-rtos zephyr)

CVE-2020-10021

HIGH 8.1

At a glance

Source: NVD
EPSS: EPSS 0.41 % · percentile 35 (2026-10-31)
State: PUBLISHED
Published: 2020-05-11 22:26 UTC
Updated: 2024-09-17 00:16 UTC
Assigner: zephyr
NVD status: Modified

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Description

Out-of-bounds Write in the USB Mass Storage memoryWrite handler with unaligned Sizes See NCC-ZEP-024, NCC-ZEP-025, NCC-ZEP-026 This issue affects: zephyrproject-rtos zephyr version 1.14.1 and later versions. version 2.1.0 and later versions.

Weaknesses (CWE)

CWE-787 — Out-of-bounds Write

References

Scores

Version	Score	Vector	Scored by
CVSS 3.1	HIGH 8.1	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H	zephyr
CVSS 3.1	HIGH 8.1	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H	NVD · vulnerabilities@zephyrproject.org (Secondary)
CVSS 3.1	HIGH 7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	NVD · nvd@nist.gov (Primary)
CVSS 2.0	MEDIUM 4.6	AV:L/AC:L/Au:N/C:P/I:P/A:P	NVD · nvd@nist.gov (Primary)

European references

ENISA EUVD · EUVD-2020-2486
GCVE · GCVE-0-2020-10021

Affected configurations (NVD CPE)

cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:* ≤ 1.14.1
cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:* ≥ 2.1.0 < 2.2.0

Affected products

Product	Versions
zephyrproject-rtos · zephyr	affected 1.14.1 < unspecified ; affected 2.1.0 < unspecified

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD

⚠️ Out-of-bounds write in USB Mass Storage with unaligned sizes (zephyrproject-rtos zephyr)