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Vulnerabilities

Vulnerability · CVE-2026-21765

HCL BigFix Platform is affected by insecure permissions on private cryptographic keys.

Published Apr 2, 2026 · catalog updated Jun 17, 2026 · bigfix platform

Check if you run it

No confirmed exploitation is on record for CVE-2026-21765. EPSS is 0.10%. Act only if a listed version of bigfix platform is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.10%
Remediation
Advisory link
Affected products
cpe hcltech/bigfix platform

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe hcltech/bigfix platformversion unspecified

How to fix CVE-2026-21765

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-21765. EPSS is 0.10%. Act only if a listed version of bigfix platform is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-276: Incorrect Default Permissions; CWE-732: Incorrect Permission Assignment for Critical Resource. EPSS 0.10%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 2, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-21765

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-21765

    30-day exploitation probability 0.1%

    first.org
  • NIST NVDVulnerability recordCVE-2026-21765

    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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.