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CVE-2021-24035

Quick assessment

Affected
Facebook WhatsApp Business for Android
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.

Facebook WhatsApp是美国Facebook公司的一套利用网络传送短信的移动应用程序。该应用程序通过智能手机中的联络人信息，查找使用该软件的联络人传送文字、图片等。 WhatsApp for Android v2.21.8.13和WhatsApp Business for Android v2.21.8.13之前版本存在安全漏洞，该漏洞源于解压档案时缺少文件名验证，该漏洞可能会导致路径遍历攻击覆盖WhatsApp文件。

AI Predicted 7.5 Difficulty: Moderate EPSS 1.13% · P65

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2021-24035

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A lack of filename validation when unzipping archives prior to WhatsApp for Android v2.21.8.13 and WhatsApp Business for Android v2.21.8.13 could have allowed path traversal attacks that overwrite WhatsApp files.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
相对路径遍历
Source: CVE Program / CVE List V5
Vulnerability Title
Facebook WhatsApp for Android 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Facebook WhatsApp是美国Facebook公司的一套利用网络传送短信的移动应用程序。该应用程序通过智能手机中的联络人信息，查找使用该软件的联络人传送文字、图片等。 WhatsApp for Android v2.21.8.13和WhatsApp Business for Android v2.21.8.13之前版本存在安全漏洞，该漏洞源于解压档案时缺少文件名验证，该漏洞可能会导致路径遍历攻击覆盖WhatsApp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
Facebook WhatsApp Business for Android unspecified ~ v2.21.8.13 -
Facebook WhatsApp for Android unspecified ~ v2.21.8.13 -

II. Public POCs for CVE-2021-24035

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III. Intelligence Information for CVE-2021-24035

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Other References for CVE-2021-24035 (1)

IV. Related Vulnerabilities

Same product: WhatsApp Business for Android
Same vendor: Facebook
Same weakness: CWE-23

V. Comments for CVE-2021-24035

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