8.8

CVE-2021-3835

Exploit

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

Data is provided by the National Vulnerability Database (NVD)
Zephyrproject ≫ Zephyr Version >= 2.6.0 < 2.7.1
Zephyrproject ≫ Zephyr Version3.0.0 Updaterc1
Zephyrproject ≫ Zephyr Version3.0.0 Updaterc2
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.12% 0.272
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 8.8 2.8 5.9
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 5.8 6.5 6.4
AV:A/AC:L/Au:N/C:P/I:P/A:P
vulnerabilities@zephyrproject.org 8.2 1.6 6
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:H
CWE-122 Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.