CVE-2021-46813
Quick assessment
Affected
Huawei EMUI
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是中国华为（HUAWEI）公司的一款基于Android开发的移动端操作系统。 HUAWEI EMUI 存在安全漏洞，该漏洞源于ChinaDRM 模块更新后残留文件未被删除，以下产品和版本受到影响：EMUI 11.0.0、Magic UI 4.0.0。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-46813
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Vulnerability of residual files not being deleted after an update in the ChinaDRM module. 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 EMUI 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HUAWEI EMUI是中国华为（HUAWEI）公司的一款基于Android开发的移动端操作系统。 HUAWEI EMUI 存在安全漏洞，该漏洞源于ChinaDRM 模块更新后残留文件未被删除，以下产品和版本受到影响：EMUI 11.0.0、Magic UI 4.0.0。
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-2021-46813
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-46813 (1)
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https://consumer.huawei.com/en/support/bulletin/2022/6/ x_refsource_MISC
Same Patch Batch · Huawei · 2022-06-13 · 17 CVEs total
| CVE-2021-46814 | HUAWEI HarmonyOS 缓冲区错误漏洞 | |
| CVE-2022-31763 | HUAWEI HarmonyOS 代码问题漏洞 | |
| CVE-2022-31758 | HUAWEI HarmonyOS 竞争条件问题漏洞 | |
| CVE-2022-31751 | HUAWEI HarmonyOS 安全漏洞 | |
| CVE-2022-31756 | HUAWEI HarmonyOS 安全漏洞 | |
| CVE-2022-31755 | HUAWEI HarmonyOS 安全漏洞 | |
| CVE-2022-31759 | HUAWEI HarmonyOS 缓冲区错误漏洞 | |
| CVE-2022-31762 | HUAWEI HarmonyOS 输入验证错误漏洞 | |
| CVE-2022-31760 | HUAWEI HarmonyOS 安全漏洞 | |
| CVE-2021-46812 | HUAWEI HarmonyOS 安全漏洞 | |
| CVE-2022-31757 | HUAWEI HarmonyOS 安全漏洞 | |
| CVE-2022-31753 | HUAWEI HarmonyOS 格式化字符串错误漏洞 | |
| CVE-2021-46811 | HUAWEI HarmonyOS 安全漏洞 | |
| CVE-2022-31754 | HUAWEI EMUI安全漏洞 | |
| CVE-2022-31761 | HUAWEI EMUI 安全漏洞 | |
| CVE-2022-31752 | HUAWEI EMUI 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-46813
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