CVE-2021-46851
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，该漏洞源于器安全内存属性校验不严格造成视频播放流程异常。
Possible ATT&CK Techniques 1 AI
T1211 · Exploitation for Stealth
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I. Basic Information for CVE-2021-46851
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The DRM module has a vulnerability in verifying the secure memory attributes. Successful exploitation of this vulnerability may cause abnormal video playback.
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，该漏洞源于器安全内存属性校验不严格造成视频播放流程异常。
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-2021-46851
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2021-46851 (2)
Same Patch Batch · Huawei · 2022-11-09 · 19 CVEs total
| CVE-2022-44554 | Huawei HarmonyOS 安全漏洞 | |
| CVE-2022-44563 | Huawei HarmonyOS 竞争条件问题漏洞 | |
| CVE-2022-44562 | Huawei HarmonyOS 安全漏洞 | |
| CVE-2022-44561 | Huawei EMUI 安全漏洞 | |
| CVE-2022-44560 | Huawei HarmonyOS 安全漏洞 | |
| CVE-2022-44559 | Huawei HarmonyOS 代码问题漏洞 | |
| CVE-2022-44558 | Huawei HarmonyOS 代码问题漏洞 | |
| CVE-2022-44557 | Huawei HarmonyOS 安全漏洞 | |
| CVE-2022-44555 | Huawei HarmonyOS 安全漏洞 | |
| CVE-2021-46852 | Huawei HarmonyOS 访问控制错误漏洞 | |
| CVE-2022-44553 | Huawei HarmonyOS 安全漏洞 | |
| CVE-2022-44552 | Huawei HarmonyOS 安全漏洞 | |
| CVE-2022-44551 | Huawei HarmonyOS 安全漏洞 | |
| CVE-2022-44550 | Huawei HarmonyOS 资源管理错误漏洞 | |
| CVE-2022-44549 | Huawei HarmonyOS 安全漏洞 | |
| CVE-2022-44548 | Huawei HarmonyOS 安全漏洞 | |
| CVE-2022-44547 | Huawei HarmonyOS 资源管理错误漏洞 | |
| CVE-2022-44546 | Huawei HarmonyOS 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-46851
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