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I. Basic Information for CVE-2021-27431
Vulnerability Information

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Vulnerability Title
ARM CMSIS RTOS2 Integer Overflow or Wraparound
Source: NVD (National Vulnerability Database)
Vulnerability Description
ARM CMSIS RTOS2 versions prior to 2.1.3 are vulnerable to integer wrap-around inosRtxMemoryAlloc (local malloc equivalent) function, which can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or injected code execution.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
整数溢出或超界折返
Source: NVD (National Vulnerability Database)
Vulnerability Title
ARM CMSIS-RTOS 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ARM CMSIS-RTOS是英国ARM公司的一个应用软件。用于创建同时执行多项任务的应用程序。 ARM CMSIS-RTOS versions prior to 2.1.3 存在输入验证错误漏洞,该漏洞源于不正确的内存分配可能导致任意的内存分配,从而导致意外的行为,如崩溃或远程代码注入执行。
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
ARMCMSIS RTOS2 unspecified ~ 2.1.3 -
II. Public POCs for CVE-2021-27431
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III. Intelligence Information for CVE-2021-27431
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IV. Related Vulnerabilities
V. Comments for CVE-2021-27431

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