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CVE-2021-27425— Cesanta Software Mongoose-OS Integer Overflow or Wraparound

Quick assessment

Affected
Cesanta Software Mongoose-OS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Mongoose-OS是一个应用系统。一个管理物联网项目平台。 Cesanta Software Mongoose-OS v2.17.0 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。

CVSS 7.3 · High EPSS 1.57% · P73

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-27425

Vulnerability Information
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Vulnerability Title
Cesanta Software Mongoose-OS Integer Overflow or Wraparound
Source: CVE Program / CVE List V5
Vulnerability Description
Cesanta Software Mongoose-OS v2.17.0 is vulnerable to integer wrap-around in function mm_malloc. This improper memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
Mongoose-OS 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mongoose-OS是一个应用系统。一个管理物联网项目平台。 Cesanta Software Mongoose-OS v2.17.0 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

Vendor Product Affected Versions CPE Subscribe
Cesanta Software Mongoose-OS 2.17.0 -

II. Public POCs for CVE-2021-27425

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-27425

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Vendor Advisories for CVE-2021-27425 (1)

Other References for CVE-2021-27425 (1)

IV. Related Vulnerabilities

Same weakness: CWE-190

V. Comments for CVE-2021-27425

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