CVE-2025-31979 | BDVDB-2026-291380 Detail

HCL SoftwareBigFix Service Management (SM)

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.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact low, availability impact none. Attack vector: network.

Weaknesses#

CWE-434 Unrestricted Upload of File with Dangerous Type

References#

https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0123631

Exploit#

No public exploit known

History#

Version 12025-08-28Record published in the CVE List.

Published

Published: 2025-08-28
Last modified: 2025-08-28

Vendor information

Vendor: HCL Software
Product: BigFix Service Management (SM)

All HCL Software vulnerabilities

Score

5.4 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 11.6.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Unrestricted File Upload

Action

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

Affected Systems

Vulnerable
23
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.4 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	Low
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

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