CVE-2021-27771— HCL Sametime is susceptible a file transfer service vulnerability
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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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| HCL Software | Sametime | 11.6 | - |
II. Public POCs for CVE-2021-27771
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · HCL Software · 2022-05-12 · 7 CVEs total
| CVE-2021-27777 | 7.5 HIGH | HCL Unica Platform is vulnerable to XML External Entity (XXE) injection |
| CVE-2021-27772 | 7.1 HIGH | HCL Sametime is vulnerable to an information disclosure |
| CVE-2021-27770 | 6.8 MEDIUM | HCL Sametime is vulnerable to arbitrary HTTP requests |
| CVE-2021-27768 | 6.3 MEDIUM | An SSL certificate host verification vulnerability affects HCL Verse for Android |
| CVE-2021-27769 | 5.3 MEDIUM | HCL Sametime is vulnerable to an information disclosure |
| CVE-2021-27773 | 4.2 MEDIUM | HCL Sametime is vulnerable to clickjacking |
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