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CVE-2026-21848— HCL BigFix Service Management is affected by multiple security vulnerabilities.

Quick assessment

Affected
HCL Software HCL BigFix Service Management
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 Service Management is affected by a Security Misconfiguration vulnerability, which could allow an authenticated attacker to exploit improper access controls, enabling the unauthorized viewing of restricted data elements across tenant boundaries.

CVSS 5.0 · Medium
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I. Basic Information for CVE-2026-21848

Vulnerability Information

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Vulnerability Title
HCL BigFix Service Management is affected by multiple security vulnerabilities.
Source: CVE Program / CVE List V5
Vulnerability Description
HCL BigFix Service Management is affected by a Security Misconfiguration vulnerability, which could allow an authenticated attacker to exploit improper access controls, enabling the unauthorized viewing of restricted data elements across tenant boundaries.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
HCL Software HCL BigFix Service Management V23 -

II. Public POCs for CVE-2026-21848

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III. Intelligence Information for CVE-2026-21848

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Other References for CVE-2026-21848 (1)

Same Patch Batch · HCL Software · 2026-09-18 · 10 CVEs total

CVE-2026-67100 9.8 CRITICAL HCL BigFix Service Management is affected by multiple security vulnerabilities.
CVE-2026-67101 9.3 CRITICAL HCL BigFix Service Management is affected by multiple security vulnerabilities.
CVE-2026-67102 8.1 HIGH HCL BigFix Service Management is affected by multiple security vulnerabilities.
CVE-2026-67103 7.6 HIGH HCL BigFix Service Management is affected by multiple security vulnerabilities.
CVE-2026-56592 6.5 MEDIUM HCL BigFix Service Management is affected by multiple security vulnerabilities.
CVE-2026-56590 6.4 MEDIUM HCL BigFix Service Management is affected by multiple security vulnerabilities.
CVE-2026-21822 6.3 MEDIUM A path traversal vulnerability has been identified in HCL AppScan 360° (CVE-2026-21822).
CVE-2026-56595 3.1 LOW HCL BigFix Service Management is affected by multiple security vulnerabilities.
CVE-2026-56597 3.1 LOW HCL BigFix Service Management is affected by multiple security vulnerabilities.

IV. Related Vulnerabilities

Same product: HCL BigFix Service Management
Same vendor: HCL Software
Same weakness: CWE-284

V. Comments for CVE-2026-21848

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