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CVE-2021-40020

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 Smartphone是中国华为（Huawei）公司的一款智能手机。 Huawei Smartphone 存在缓冲区错误漏洞，该漏洞源于智能手机的安全存储模块存在数组越界读取漏洞。 成功利用此漏洞可能会影响服务机密性。

AI Predicted 4.3 Difficulty: Moderate EPSS 0.67% · P49

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2021-40020

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
There is an Out-of-bounds array read vulnerability in the security storage module in smartphones. Successful exploitation of this vulnerability may affect service confidentiality.
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 Smartphone 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Huawei Smartphone是中国华为（Huawei）公司的一款智能手机。 Huawei Smartphone 存在缓冲区错误漏洞，该漏洞源于智能手机的安全存储模块存在数组越界读取漏洞。 成功利用此漏洞可能会影响服务机密性。
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
Huawei EMUI 11.0.0 -
Huawei Magic UI 4.0.0 -

II. Public POCs for CVE-2021-40020

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III. Intelligence Information for CVE-2021-40020

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Other References for CVE-2021-40020 (1)

Same Patch Batch · Huawei · 2022-01-07 · 24 CVEs total

CVE-2021-40035 Huawei HarmonyOS 安全漏洞
CVE-2021-40032 Huawei HarmonyOS 安全漏洞
CVE-2021-40028 Huawei HarmonyOS 缓冲区错误漏洞
CVE-2021-40027 Huawei HarmonyOS 缓冲区错误漏洞
CVE-2021-40025 Huawei HarmonyOS 安全漏洞
CVE-2021-40022 Huawei HarmonyOS 安全漏洞
CVE-2021-40021 Huawei HarmonyOS 缓冲区错误漏洞
CVE-2021-40018 Huawei HarmonyOS 代码问题漏洞
CVE-2021-40014 Huawei HarmonyOS 缓冲区错误漏洞
CVE-2021-40039 Huawei HarmonyOS 代码问题漏洞
CVE-2021-40038 Huawei HarmonyOS Wearables 资源管理错误漏洞
CVE-2021-40037 Huawei HarmonyOS 安全漏洞
CVE-2021-40000 Huawei HarmonyOS Wearables 缓冲区错误漏洞
CVE-2021-40031 Huawei HarmonyOS 代码问题漏洞
CVE-2021-40029 Huawei HarmonyOS 安全漏洞
CVE-2021-40026 Huawei HarmonyOS Wearables 缓冲区错误漏洞
CVE-2021-40009 Huawei HarmonyOS Wearables 缓冲区错误漏洞
CVE-2021-40006 Huawei HarmonyOS Wearables 加密问题漏洞
CVE-2021-40005 Huawei HarmonyOS Wearables 安全漏洞
CVE-2021-40004 Huawei HarmonyOS Wearables 安全漏洞

Showing top 20 of 24 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: EMUI
Same vendor: Huawei

V. Comments for CVE-2021-40020

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