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CVE-2021-27769— HCL Sametime is vulnerable to an information disclosure

Quick assessment

Affected
HCL Software Sametime
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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，该漏洞源于网站的敏感信息缺少有效限制。攻击者可以利用该漏洞获取敏感信息。

CVSS 5.3 · Medium EPSS 0.77% · P54

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2021-27769

Vulnerability Information
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Vulnerability Title
HCL Sametime is vulnerable to an information disclosure
Source: CVE Program / CVE List V5
Vulnerability Description
Information leakage occurs when a website reveals information that could aid an attacker to further exploit the system. This information may or may not be sensitive and does not automatically mean a breach is likely to occur. Overall, any information that could be used for an attack should be limited whenever possible.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对假设不可变Web参数的外部可控制
Source: CVE Program / CVE List V5
Vulnerability Title
HCL Technologies HCL Sametime 安全漏洞
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，该漏洞源于网站的敏感信息缺少有效限制。攻击者可以利用该漏洞获取敏感信息。
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-2021-27769

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III. Intelligence Information for CVE-2021-27769

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Other References for CVE-2021-27769 (1)

Same Patch Batch · HCL Software · 2022-05-12 · 7 CVEs total

CVE-2021-27771 8.2 HIGH HCL Sametime is susceptible a file transfer service vulnerability
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-2021-27773 4.2 MEDIUM HCL Sametime is vulnerable to clickjacking

IV. Related Vulnerabilities

Same product: Sametime
Same vendor: HCL Software
Same weakness: CWE-472

V. Comments for CVE-2021-27769

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