CVE-2025-31976 HCL Software CVE debrief

Who should care

Security teams and administrators responsible for HCL BigFix Service Management systems should be aware of this vulnerability. The insufficiently protected credentials could pose a risk if attackers gain access to the credentials during transmission. Monitoring for potential misuse and implementing compensating controls are recommended.

Technical summary

The vulnerability in HCL BigFix Service Management involves insufficient protection of credentials during communication with an internal backend application. This could allow attackers to intercept and potentially misuse the credentials. The issue has been assigned a CVSS score of 4.8, indicating medium severity. The vulnerability is tracked under CVE-2025-31976 and affects BigFix Service Management version 23.0.

Defensive priority

Apply vendor-provided mitigations and monitor for suspicious activity. Implement compensating controls to protect credentials during transmission.

Recommended defensive actions

• Apply the vendor advisory: https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0128144
• Monitor for potential credential misuse
• Implement compensating controls to protect credentials
• Review and update inventory of affected systems
• Track and verify HCL remediation workflow

Evidence notes

The CVE-2025-31976 record was published on May 6, 2026, and last modified on June 29, 2026. The vulnerability affects HCL BigFix Service Management version 23.0. HCL has provided a vendor advisory for mitigation. The CVSS vector is CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.

Official resources