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CVE-2021-40052

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 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/Magic UI存在安全漏洞，该漏洞源于视频框架中存在不正确的缓冲区大小计算。成功利用此漏洞可能会影响可用性。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.77% · P54

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-40052

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
There is an incorrect buffer size calculation vulnerability in the video framework.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/Magic UI存在安全漏洞，该漏洞源于视频框架中存在不正确的缓冲区大小计算。成功利用此漏洞可能会影响可用性。
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 -
Huawei EMUI 11.0.1 -
Huawei Magic UI 4.0.0 -

II. Public POCs for CVE-2021-40052

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-40052

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Other References for CVE-2021-40052 (2)

Same Patch Batch · Huawei · 2022-03-07 · 17 CVEs total

CVE-2021-40064 HUAWEI EMUI 缓冲区错误漏洞
CVE-2021-40063 HUAWEI EMUI/Magic UI 安全漏洞
CVE-2021-40062 HUAWEI EMUI 安全漏洞
CVE-2021-40061 HUAWEI EMUI 安全漏洞
CVE-2021-40060 HUAWEI EMUI 缓冲区错误漏洞
CVE-2021-40059 HUAWEI EMUI和Honor Magic Ui 安全漏洞
CVE-2021-40058 HUAWEI EMUI 缓冲区错误漏洞
CVE-2021-40057 HUAWEI EMUI/Magic UI 缓冲区错误漏洞
CVE-2021-40056 HUAWEI EMUI 安全漏洞
CVE-2021-40055 HUAWEI EMUI 安全漏洞
CVE-2021-40054 HUAWEI EMUI 数字错误漏洞
CVE-2021-40051 HUAWEI EMUI 安全漏洞
CVE-2021-40050 HUAWEI EMUI 缓冲区错误漏洞
CVE-2021-40049 HUAWEI EMUI和Honor Magic Ui安全漏洞
CVE-2021-40048 HUAWEI EMUI/Magic UI 安全漏洞
CVE-2021-40047 HUAWEI EMUI 安全漏洞

IV. Related Vulnerabilities

Same product: HarmonyOS
Same vendor: Huawei

V. Comments for CVE-2021-40052

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