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cvelistZephyrCVELIST:CVE-2021-3625
HistoryOct 05, 2021 - 8:50 p.m.

CVE-2021-3625 Buffer overflow in Zephyr USB DFU DNLOAD

2021-10-0520:50:20
CWE-122
zephyr
www.cve.org
5
zephyr
usb
buffer overflow

CVSS3

9.6

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H

AI Score

9.8

Confidence

High

EPSS

0.003

Percentile

71.9%

Buffer overflow in Zephyr USB DFU DNLOAD. Zephyr versions >= v2.5.0 contain Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-c3gr-hgvr-f363

CNA Affected

[
  {
    "product": "zephyr",
    "vendor": "zephyrproject-rtos",
    "versions": [
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "v2.5.0",
        "versionType": "custom"
      }
    ]
  }
]

CVSS3

9.6

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H

AI Score

9.8

Confidence

High

EPSS

0.003

Percentile

71.9%

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