CVE-2026-21765 | BDVDB-2026-324151 Detail

HCLSoftwareBigFix Platform

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.

Weaknesses#

CWE-732 Incorrect Permission Assignment for Critical Resource
CWE-276 Incorrect Default Permissions

References#

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

Exploit#

No public exploit known

History#

Version 12026-04-01Record published in the CVE List.
Version 22026-04-02Most recent update recorded in the CVE List.

Published

Published: 2026-04-01
Last modified: 2026-04-02

Vendor information

Vendor: HCLSoftware
Product: BigFix Platform

All HCLSoftware vulnerabilities

Score

8.8 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 1.0.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Incorrect Permissions

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
11.0.0 - 11.0.5
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

8.8 High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Changed
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).