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CVE-2021-22418

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 Phones and Tablets 华为部分产品中Aod驱动存在整数溢出漏洞。成功利用此漏洞会影响机密性、完整性。

AI Predicted 7.8 Difficulty: Hard EPSS 0.18% · P7

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2021-22418

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A component of the HarmonyOS has a Integer Overflow or Wraparound vulnerability. Local attackers may exploit this vulnerability to cause memory overwriting.
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 输入验证错误漏洞
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 Phones and Tablets 华为部分产品中Aod驱动存在整数溢出漏洞。成功利用此漏洞会影响机密性、完整性。
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 HarmonyOS 2.0 -

II. Public POCs for CVE-2021-22418

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III. Intelligence Information for CVE-2021-22418

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Other References for CVE-2021-22418 (1)

Same Patch Batch · Huawei · 2021-08-03 · 10 CVEs total

CVE-2021-22422 Huawei HarmonyOS 输入验证错误漏洞
CVE-2021-22417 Huawei HarmonyOS 安全漏洞
CVE-2021-22424 Huawei HarmonyOS 安全漏洞
CVE-2021-22421 Huawei HarmonyOS 配置错误漏洞
CVE-2021-22416 Huawei HarmonyOS 安全漏洞
CVE-2021-22425 Huawei HarmonyOS 资源管理错误漏洞
CVE-2021-22419 Huawei HarmonyOS 数据伪造问题漏洞
CVE-2021-22420 Huawei HarmonyOS 安全漏洞
CVE-2021-22423 Huawei HarmonyOS 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: HarmonyOS
Same vendor: Huawei

V. Comments for CVE-2021-22418

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