CVE-2021-24027
Quick assessment
Affected
Facebook WhatsApp Business for Android
Exploitation
Public or AI PoC available; prioritize validation
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 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。
Possible ATT&CK Techniques 1 AI
T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2021-24027
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
通过缓存导致的信息暴露
Source: CVE Program / CVE List V5
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| WhatsApp Business for Android | v2.21.4.18 | - |
|
|
| WhatsApp for Android | unspecified ~ v2.21.4.18 | - |
|
II. Public POCs for CVE-2021-24027
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | PoC and tools for exploiting CVE-2020-6516 (Chrome) and CVE-2021-24027 (WhatsApp) | https://github.com/CENSUS/whatsapp-mitd-mitm | POC Details |
AI-Generated POC
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No public POC found.
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Other References for CVE-2021-24027 (1)
-
https://www.whatsapp.com/security/advisories/2021/ x_refsource_CONFIRM
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