High severity · published May 11, 2020
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-ZEP-026 This issue affects: zephyrproject-rtos zephyr…
7.8
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 35% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZE
Zephyr · Zephyrproject
through 1.14.1; 2.1.0 before 2.2.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-10021
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-10021
docs.zephyrproject.org
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10021
Patch
https://github.com/zephyrproject-rtos/zephyr/pull/23240
Patch
https://github.com/zephyrproject-rtos/zephyr/pull/23455
Patch
https://github.com/zephyrproject-rtos/zephyr/pull/23456
Third Party Advisory
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-26
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