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I. Basic Information for CVE-2021-3321
Vulnerability Information

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Vulnerability Title
Integer Underflow in Zephyr in IEEE 802154 Fragment Reassembly Header Removal
Source: NVD (National Vulnerability Database)
Vulnerability Description
Integer Underflow in Zephyr in IEEE 802154 Fragment Reassembly Header Removal. Zephyr versions >= >=2.4.0 contain Integer Overflow to Buffer Overflow (CWE-680). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-w44j-66g7-xw99
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
整数溢出导致缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
Zephyr 数字错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zephyr是美国Linux基金会的一套开源的小型的可缩放的实时操作系统。 Zephyr存在数字错误漏洞,该漏洞源于IEEE 802154中Zephyr的整数下流片段重组头部移除。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
zephyrproject-rtoszephyr >=2.4.0 ~ unspecified -
II. Public POCs for CVE-2021-3321
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III. Intelligence Information for CVE-2021-3321
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