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I. Basic Information for CVE-2021-27768
Vulnerability Information

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Vulnerability Title
An SSL certificate host verification vulnerability affects HCL Verse for Android
Source: NVD (National Vulnerability Database)
Vulnerability Description
Using the ability to perform a Man-in-the-Middle (MITM) attack, which indicates a lack of hostname verification, sensitive account information was able to be intercepted. In this specific scenario, the application's network traffic was intercepted using a proxy server set up in 'transparent' mode while a certificate with an invalid hostname was active. The Android application was found to have hostname verification issues during the server setup and login flows; however, the application did not process requests post-login.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
通道可被非端点访问(中间人攻击)
Source: NVD (National Vulnerability Database)
Vulnerability Title
HCL Technologies HCL Verse 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HCL Technologies HCL Verse是印度HCL Technologies公司的一个可访问邮件并进行生活计划管理的移动端应用。 HCL Technologies HCL Verse for Android 12.0.9之前版本存在安全漏洞,该漏洞源于应用在服务器设置和登录流程期间存在主机名和SSL证书验证问题。攻击者通过使用中间人 (MITM) 攻击来利用该漏洞欺骗受信任的实体。
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
HCL SoftwareVerse for Android unspecified ~ 12.0.9 -
II. Public POCs for CVE-2021-27768
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III. Intelligence Information for CVE-2021-27768
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