# CVE-2025-31974: HCL BigFix Service Management insecure root file system configuration

Source: https://junglewise.ai/threats/cve-2025-31974-hcl-bigfix-service-management-insecure-root-file-system  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-05-06. Updated: 2026-05-11  
License: CC BY 4.0 with a link back

CVE-2025-31974 · Severity: low · CVSS 3.9 · Published 2026-05-06

HCL BigFix Service Management (SM) contains a configuration flaw where the root file system is not mounted as read-only. This product is used by organizations to manage and secure their IT infrastructure. If exploited, an attacker could make unauthorized changes to critical system components, potentially leading to a compromise of the management platform and its data.

Technologies: [Hcltech Bigfix Service Management](https://junglewise.ai/threats/technologies/bigfix-service-management). Vendors: [Hcltech](https://junglewise.ai/threats/vendors/hcltech).

## Quick answers

**Is CVE-2025-31974 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-31974 being exploited in the wild.

**How severe is CVE-2025-31974?** Low severity, with a CVSS score of 3.9, published 6 May 2026.

**Which products and versions are affected?** HCL BigFix Service Management (SM) 23.0.

**Is there a fix for CVE-2025-31974?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2025-31974 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2025-31974?** Check whether you run Hcltech Bigfix Service Management. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

HCL BigFix Service Management (SM) version 23.0 is vulnerable to insecure default initialization (CWE-1188) because the root file system is not mounted in a read-only state. This misconfiguration allows an attacker with high privileges to modify critical system files that should otherwise be immutable. While the attack vector is listed as network-based, it requires high privileges and user interaction (according to the CNA vector), making the practical risk lower. Exploitation could lead to persistent unauthorized changes or full system compromise. Users are advised to refer to HCL advisory KB0128144 for remediation steps.

## Affected products

- HCL BigFix Service Management (SM) 23.0

## Timeline

- 2026-05-06: disclosed: Initial disclosure by HCL Software
- 2026-05-06: advisory: HCL published security bulletin KB0128144

## References

- [https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0128144](https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0128144)

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