CVE-2021-46868
Quick assessment
Affected
Huawei HarmonyOS
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.
Huawei EMUI和Huawei Magic UI都是中国华为（Huawei）公司的产品。Huawei EMUI是一款基于Android开发的移动端操作系统。Huawei Magic UI是一个智能设备操作系统。 HUAWEI EMUI/Magic UI存在安全漏洞，该漏洞源于HW_KEYMASTER 模块不释放内存，攻击者利用该漏洞可以导致越界访问，以下产品和版本受到影响：EMUI 12.0.0。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2021-46868
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The HW_KEYMASTER module has a problem in releasing memory.Successful exploitation of this vulnerability may result in out-of-bounds memory access.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
HUAWEI EMUI/Magic UI 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Huawei EMUI和Huawei Magic UI都是中国华为（Huawei）公司的产品。Huawei EMUI是一款基于Android开发的移动端操作系统。Huawei Magic UI是一个智能设备操作系统。 HUAWEI EMUI/Magic UI存在安全漏洞，该漏洞源于HW_KEYMASTER 模块不释放内存，攻击者利用该漏洞可以导致越界访问，以下产品和版本受到影响：EMUI 12.0.0。
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
II. Public POCs for CVE-2021-46868
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Other References for CVE-2021-46868 (2)
Same Patch Batch · Huawei · 2023-01-06 · 7 CVEs total
| CVE-2021-46867 | HUAWEI EMUI/Magic UI 缓冲区错误漏洞 | |
| CVE-2022-46761 | HUAWEI EMUI/Magic UI 安全漏洞 | |
| CVE-2022-46762 | HUAWEI EMUI/Magic UI 安全漏洞 | |
| CVE-2022-47974 | HUAWEI EMUI/Magic UI 安全漏洞 | |
| CVE-2022-47975 | HUAWEI EMUI/Magic UI 资源管理错误漏洞 | |
| CVE-2022-47976 | HUAWEI EMUI/Magic UI 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-46868
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