CVE-2026-21765— HCL BigFix Platform is affected by insecure permissions on private cryptographic keys
Quick assessment
Affected
HCLSoftware BigFix Platform
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 BigFix Platform是印度HCL公司的一套端点安全管理平台。该平台支持自动发现、管理和修复端点安全问题。 HCL BigFix Platform存在安全漏洞，该漏洞源于私有加密密钥权限不安全，可能导致Windows主机上的私有加密密钥文件系统权限过于宽松。
Possible ATT&CK Techniques 1 AI
T1552.004 · Private Keys
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I. Basic Information for CVE-2026-21765
Vulnerability Information
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Vulnerability Title
HCL BigFix Platform is affected by insecure permissions on private cryptographic keys
Source: CVE Program / CVE List V5
Vulnerability Description
HCL BigFix Platform is affected by insecure permissions on private cryptographic keys. The private cryptographic keys located on a Windows host machine might be subject to overly permissive file system permissions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键资源的不正确权限授予
Source: CVE Program / CVE List V5
Vulnerability Title
HCL BigFix Platform 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HCL BigFix Platform是印度HCL公司的一套端点安全管理平台。该平台支持自动发现、管理和修复端点安全问题。 HCL BigFix Platform存在安全漏洞，该漏洞源于私有加密密钥权限不安全，可能导致Windows主机上的私有加密密钥文件系统权限过于宽松。
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 |
|---|---|---|---|---|
| HCLSoftware | BigFix Platform | 11.0.0 - 11.0.5 | - |
|
II. Public POCs for CVE-2026-21765
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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IV. Related Vulnerabilities
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V. Comments for CVE-2026-21765
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