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I. Basic Information for CVE-2021-27771
Vulnerability Information

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Vulnerability Title
HCL Sametime is susceptible a file transfer service vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
User SID can be modified resulting in an Arbitrary File Upload or deletion of directories causing a Denial of Service. When interacting in a normal matter with the Sametime chat application, users hold a cookie containing their session ID (SID). This value is also used when sending chat messages, receiving notifications and/or transferring files.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
危险类型文件的不加限制上传
Source: NVD (National Vulnerability Database)
Vulnerability Title
HCL Technologies HCL Sametime 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HCL Sametime是HCL Technologies的一个会议解决方案。 HCL Technologies HCL Sametime 11.6版本存在安全漏洞,该漏洞源于应用中的用户SID 可以被修改。攻击者可以利用该漏洞修改SID实现任意文件上传或目录删除从而导致拒绝服务。
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 SoftwareSametime 11.6 -
II. Public POCs for CVE-2021-27771
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III. Intelligence Information for CVE-2021-27771
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IV. Related Vulnerabilities
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