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CVE-2021-39970

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某个组件存在安全漏洞。攻击者可利用该漏洞以system_app权限任意写文件。

AI Predicted 8.1 Difficulty: Easy EPSS 0.69% · P50

Possible ATT&CK Techniques 1 AI

T1207 · Rogue Domain Controller
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I. Basic Information for CVE-2021-39970

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
HwPCAssistant has a Improper Input Validation vulnerability.Successful exploitation of this vulnerability may create any file with the system app permission.
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 路径遍历漏洞
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某个组件存在安全漏洞。攻击者可利用该漏洞以system_app权限任意写文件。
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 HarmonyOS 2.0 -

II. Public POCs for CVE-2021-39970

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-39970

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Vendor Advisories for CVE-2021-39970 (1)

Same Patch Batch · Huawei · 2022-01-03 · 38 CVEs total

CVE-2021-39988 Huawei HarmonyOS 代码问题漏洞
CVE-2021-37117 Huawei HarmonyOS 安全漏洞
CVE-2021-37119 Huawei HarmonyOS 安全漏洞
CVE-2021-37112 Huawei HarmonyOS 安全漏洞
CVE-2021-37118 Huawei HarmonyOS 安全漏洞
CVE-2021-39977 Huawei HarmonyOS 代码问题漏洞
CVE-2021-39983 Huawei HarmonyOS 安全漏洞
CVE-2021-39984 Huawei HarmonyOS 缓冲区错误漏洞
CVE-2021-39985 Huawei HarmonyOS 输入验证错误漏洞
CVE-2021-39987 Huawei HarmonyOS 安全漏洞
CVE-2021-37114 Huawei HarmonyOS 缓冲区错误漏洞
CVE-2021-39989 Huawei HarmonyOS 代码问题漏洞
CVE-2021-39990 Huawei HarmonyOS 缓冲区错误漏洞
CVE-2021-37133 Huawei HarmonyOS 安全漏洞
CVE-2021-39966 Huawei HarmonyOS 安全漏洞
CVE-2021-39967 Huawei HarmonyOS 安全漏洞
CVE-2021-39969 Huawei HarmonyOS 安全漏洞
CVE-2021-39973 Huawei HarmonyOS 代码问题漏洞
CVE-2021-39974 Huawei HarmonyOS 缓冲区错误漏洞
CVE-2021-39972 HUAWEI HarmonyOS 信息泄露漏洞

Showing top 20 of 38 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: HarmonyOS
Same vendor: Huawei

V. Comments for CVE-2021-39970

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