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I. Basic Information for CVE-2021-20873
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Yappli is an application development platform which provides the function to access a requested URL using Custom URL Scheme. When Android apps are developed with Yappli versions since v7.3.6 and prior to v9.30.0, they are vulnerable to improper authorization in Custom URL Scheme handler, and may be directed to unintended sites via a specially crafted URL.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Yappli 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Yappli是日本Yappli公司的一个应用程序开发平台。 Yappli Android Apps存在安全漏洞,攻击者可利用该漏洞访问包含精心构建的URL的恶意网站时,应用程序可能会被引导连接到某些非预期的网站,应用程序的内部信息可能会被泄露或修改。
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
Yappli, Inc.Yappli versions since v7.3.6 and prior to v9.30.0 -
II. Public POCs for CVE-2021-20873
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III. Intelligence Information for CVE-2021-20873
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