CVE-2021-25435
Quick assessment
Affected
Samsung Mobile Tizen wearable devices
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.
Samsung Tizen是韩国三星（Samsung）公司的一款基于Linux核心的开放源代码移动操作系统，可适用设备包括智能手机、平板电脑、智能手表、上网本、车载消息娱乐设备和智能电视。 Samsung Tizen存在输入验证错误漏洞，该漏洞源于Tizen bootloader中存在不正确的输入验证漏洞，允许在无线固件下载模式下使用recovery分区执行任意代码。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-25435
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improper input validation vulnerability in Tizen bootloader prior to Firmware update JUL-2021 Release allows arbitrary code execution using recovery partition in wireless firmware download mode.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Samsung Tizen 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Samsung Tizen是韩国三星（Samsung）公司的一款基于Linux核心的开放源代码移动操作系统，可适用设备包括智能手机、平板电脑、智能手表、上网本、车载消息娱乐设备和智能电视。 Samsung Tizen存在输入验证错误漏洞，该漏洞源于Tizen bootloader中存在不正确的输入验证漏洞，允许在无线固件下载模式下使用recovery分区执行任意代码。
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 |
|---|---|---|---|---|
| Samsung Mobile | Tizen wearable devices | Tizen 5.5 ~ Firmware update JUL-2021 Release | - |
|
II. Public POCs for CVE-2021-25435
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2021-25435 (1)
Same Patch Batch · Samsung Mobile · 2021-07-08 · 17 CVEs total
| CVE-2021-25442 | Samsung KCS授权问题漏洞 | |
| CVE-2021-25441 | Samsung Mobile AR Emoji Editor 输入验证错误漏洞 | |
| CVE-2021-25440 | SAMSUNG FactoryCameraFB 安全漏洞 | |
| CVE-2021-25439 | SAMSUNG Members 安全漏洞 | |
| CVE-2021-25438 | SAMSUNG Members 安全漏洞 | |
| CVE-2021-25437 | SAMSUNG Tizen 安全漏洞 | |
| CVE-2021-25436 | Samsung Tizen 输入验证错误漏洞 | |
| CVE-2021-25434 | Samsung Tizen 输入验证错误漏洞 | |
| CVE-2021-25433 | Samsung Tizen安全漏洞 | |
| CVE-2021-25432 | Samsung Members 信息泄露漏洞 | |
| CVE-2021-25431 | SAMSUNG Mobile devices 安全漏洞 | |
| CVE-2021-25430 | Bluetooth 授权问题漏洞 | |
| CVE-2021-25429 | Bluetooth 安全漏洞 | |
| CVE-2021-25428 | PackageManager安全漏洞 | |
| CVE-2021-25427 | Bluetooth SQL注入漏洞 | |
| CVE-2021-25426 | SAMSUNG Messages 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-25435
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