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CVE-2026-21785

HCL BigFix Remote Control Server WebUI is affected by a misconfigured Content Security Policy

MEDIUM
4
CVSS Score
Published: May 27, 2026 at 08:15 PM UTC
Updated: October 26, 2026 at 12:10 PM UTC
1 product affected across 1 vendorBigFix Remote Control

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Severity
MEDIUM4
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

A misconfigured Content Security Policy (CSP) in HCL BigFix Remote Control Server WebUI (versions 10.1.0.0442 and earlier) fails to define directives without fallbacks, allowing attackers to bypass intended security restrictions and load unauthorized resources.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord
https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0130581

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4MEDIUMHCL
Attack Vector
NETWORK
Complexity
HIGH
Privileges
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-1021

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