CVE-2025-31979

A File Upload Validation Bypass vulnerability has been identified in the HCL BigFix Service Management (SM)

MEDIUM
5.4
CVSS Score
Published: August 28, 2025 at 05:06 PM UTC
Updated: September 26, 2026 at 12:27 AM UTC
1 product affected across 1 vendorBigfix Service Management

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

A File Upload Validation Bypass vulnerability has been identified in the HCL BigFix SM, where the application fails to properly enforce file type restrictions during the upload process. An attacker may exploit this flaw to upload malicious or unauthorized files, such as scripts, executables, or web shells, by bypassing client-side or server-side validation mechanisms.

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.

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

5.4MEDIUMHCL
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-434

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