CVE-2025-31973 — HCL BigFix Service Management (SM) is susceptible to a

CVE-2025-31973 — HCL BigFix Service Management (SM) is susceptible to  a

CVE-2025-31973 — HCL BigFix Service Management (SM) is susceptible to a Configuration – 'Insecure Use of Base Image Version'. Using outdated or insecure base images may introduce known vulnerabilities, potentially increasing the risk of exploitation in the application environment.

What This Means For You

  • If your environment is affected by this vulnerability type, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2025-31973 updates and patches.

Related ATT&CK Techniques

🛡️ Detection Rules

2 rules · 6 SIEM formats

2 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.

medium T1190 Initial Access

CVE-2025-31973 - HCL BigFix SM Insecure Base Image Version Detection

Sigma YAML — free preview
title: CVE-2025-31973 - HCL BigFix SM Insecure Base Image Version Detection
id: scw-2026-05-20-ai-1
status: experimental
level: medium
description: |
  This rule detects potential exploitation of CVE-2025-31973 in HCL BigFix Service Management (SM). It specifically looks for processes related to BigFix that are attempting to build Docker images using the '--pull' flag or commands that suggest an update to a base image, which could indicate the use of an insecure or outdated base image as described in the vulnerability.
author: SCW Feed Engine (AI-generated)
date: 2026-05-20
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2025-31973/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: process_creation
detection:
  selection:
      Image|contains:
          - 'bigfix'
      CommandLine|contains:
          - 'update-base-image'
          - 'docker build --pull'
      condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse

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Indicators of Compromise

IDTypeIndicator
CVE-2025-31973 vulnerability CVE-2025-31973
Source & Attribution
Source PlatformNVD
ChannelNational Vulnerability Database
PublishedMay 20, 2026 at 15:16 UTC

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