Home/CVE/Out-of-bounds Write in the USB Mass Storage memoryWrite handler with unaligned Sizes See NCC-ZEP-024, NCC-ZEP-025, NCC-Z
CVE

CVE-2020-10021

Out-of-bounds Write in the USB Mass Storage memoryWrite handler with unaligned Sizes See NCC-ZEP-024, NCC-ZEP-025, NCC-Z

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.

HIGH · CVSS 8.1 EPSS 0.00077
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

2
zephyrproject zephyr<= 1.14.1
zephyrproject zephyr>= 2.1.0 and < 2.2.0
▣

Scoring & Timeline

8.1
HIGH · CVSS v3.1 · vulnerabilities@zephyrproject.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 May 2020 · 11:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10021
https://github.com/zephyrproject-rtos/zephyr/pull/23240PatchThird Party Advisory
https://github.com/zephyrproject-rtos/zephyr/pull/23455PatchThird Party Advisory
https://github.com/zephyrproject-rtos/zephyr/pull/23456PatchThird Party Advisory
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-26Third Party Advisory
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