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I. Basic Information for CVE-2021-24027
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A cache configuration issue prior to WhatsApp for Android v2.21.4.18 and WhatsApp Business for Android v2.21.4.18 may have allowed a third party with access to the device’s external storage to read cached TLS material.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过缓存导致的信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
Facebook WhatsApp 安全漏洞
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 Business是WhatsApp的商用版。 WhatsApp for Android v2.21.4.18 and WhatsApp Business for Android v2.21.4.18 存在安全漏洞，该漏洞允许第三方访问设备的外部存储来读取缓存的TLS材料。
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
VendorProductAffected VersionsCPESubscribe
FacebookWhatsApp Business for Android v2.21.4.18 -
FacebookWhatsApp for Android unspecified ~ v2.21.4.18 -
II. Public POCs for CVE-2021-24027
#POC DescriptionSource LinkShenlong Link
1PoC and tools for exploiting CVE-2020-6516 (Chrome) and CVE-2021-24027 (WhatsApp)https://github.com/CENSUS/whatsapp-mitd-mitmPOC Details
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III. Intelligence Information for CVE-2021-24027
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IV. Related Vulnerabilities
Same product: WhatsApp Business for Android
Same vendor: Facebook
Same weakness: CWE-524
V. Comments for CVE-2021-24027

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