What’s Vulnerable › Vulnerabilities

CVE-2026-21765: HCL BigFix Platform is affected by insecure permissions on private cryptographic keys

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-02 · updated 2026-10-26
• Weakness: CWE-276

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.

Affected products

• HCL Software BigFix Platform: from 11.0.0 through 11.0.5

References

• https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0129906

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