CVE-2021-46885
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 HarmonyOS是中国华为（Huawei）公司的一个操作系统。提供一个基于微内核的全场景分布式操作系统。 Huawei HarmonyOS 存在安全漏洞，该漏洞源于视频框架存在加法溢出导致的内存越界漏洞。成功利用此漏洞可导致可用性受影响。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-46885
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The video framework has memory overwriting caused by addition overflow. Successful exploitation of this vulnerability may affect availability.
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 HarmonyOS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Huawei HarmonyOS是中国华为（Huawei）公司的一个操作系统。提供一个基于微内核的全场景分布式操作系统。 Huawei HarmonyOS 存在安全漏洞，该漏洞源于视频框架存在加法溢出导致的内存越界漏洞。成功利用此漏洞可导致可用性受影响。
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-2021-46885
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2021-46885 (1)
Same Patch Batch · Huawei · 2023-05-26 · 15 CVEs total
| CVE-2023-31227 | Huawei HarmonyOS 安全漏洞 | |
| CVE-2023-31226 | Huawei HarmonyOS 安全漏洞 | |
| CVE-2023-31225 | Huawei HarmonyOS 安全漏洞 | |
| CVE-2023-0117 | Huawei HarmonyOS 授权问题漏洞 | |
| CVE-2023-0116 | Huawei HarmonyOS 访问控制错误漏洞 | |
| CVE-2022-48480 | HUAWEI EMUI/Magic UI 输入验证错误漏洞 | |
| CVE-2022-48479 | Huawei HarmonyOS 缓冲区错误漏洞 | |
| CVE-2022-48478 | Huawei HarmonyOS 安全漏洞 | |
| CVE-2021-46887 | HUAWEI EMUI/Magic UI 安全漏洞 | |
| CVE-2021-46886 | Huawei HarmonyOS 安全漏洞 | |
| CVE-2021-46884 | Huawei HarmonyOS 安全漏洞 | |
| CVE-2021-46883 | Huawei HarmonyOS 安全漏洞 | |
| CVE-2021-46882 | Huawei HarmonyOS 安全漏洞 | |
| CVE-2021-46881 | Huawei HarmonyOS 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-46885
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