CVE-2021-3835

Buffer overflow in usb device class. Zephyr versions >= v2.6.0 contain Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fm6v-8625-99jf

CVSS v3 8.2 HIGH
CVSS v2.0 5.8 MEDIUM

8.2^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.6 / Impact : 6.0

Attack Vector ADJACENT_NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

5.8^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:A/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 6.5 / Impact : 6.4

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fm6v-8625-99jf	Exploit Third Party Advisory
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fm6v-8625-99jf	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:zephyrproject:zephyr::::::::
	cpe:2.3:o:zephyrproject:zephyr:3.0.0:rc1::::::
	cpe:2.3:o:zephyrproject:zephyr:3.0.0:rc2::::::

History

21 Nov 2024, 06:22

Type	Values Removed	Values Added
CVSS	v2 : ~~5.8~~ v3 : ~~8.8~~	v2 : 5.8 v3 : 8.2
References	~~() http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fm6v-8625-99jf - Exploit, Third Party Advisory~~	() http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fm6v-8625-99jf - Exploit, Third Party Advisory

Information

Published : 2022-02-07 22:15

Updated : 2024-11-21 06:22

NVD link : CVE-2021-3835

Mitre link : CVE-2021-3835

CVE.ORG link : CVE-2021-3835

JSON object : View

Products Affected

zephyrproject

zephyr

CWE

CWE-122

Heap-based Buffer Overflow

CWE-787

Out-of-bounds Write

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8.2 /10