CVE-2025-31975 HCL CVE debrief

Who should care

Defenders and administrators of HCL BigFix Service Management systems should assess exposure and prioritize remediation based on the system's attack surface and potential impact. This includes verifying version information and applying vendor patches if available. Security teams and vulnerability management teams should review system configurations and server banners to assess exposure and plan vendor-supported updates or mitigations through normal change

Why it matters

A low-severity information disclosure issue was identified in HCL BigFix Service Management (SM), potentially aiding attackers in targeting known vulnerabilities. Defenders and administrators of HCL BigFix Service Management systems should assess exposure and prioritize remediation based on the system's attack surface and potential impact.

• Assess exposure and prioritize remediation based on the system's attack surface and potential impact
• Verify version information and apply vendor patches if available
• Review system configurations and server banners to assess exposure

Technical summary

HCL BigFix Service Management (SM) is affected by an Information Disclosure – Server Banner issue. The vulnerability has a CVSS score of 2.6 and is classified as LOW severity. The issue potentially aids attackers in targeting known vulnerabilities by revealing software versions and system details through exposed server banners. Defenders and administrators of HCL BigFix Service Management systems should assess exposure and prioritize remediation based on the system's attack surface and potential impact. The CVE record was published on 2026-05-06T15:16:05.980Z and has not been modified since then.

Defensive priority

Assess exposure and prioritize remediation based on the system's attack surface and potential impact.

Recommended defensive actions

• Review system configurations and server banners to assess exposure
• Prioritize remediation based on the system's attack surface and potential impact
• Verify version information and apply vendor patches if available
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability, with no additional details on exploitation or impact. The information disclosure issue relates to server banners potentially revealing software versions and system details. Defenders should verify version information and apply vendor patches if available. The vulnerability has a low CVSS score of 2.6 and is classified as LOW severity.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.