CVE-2025-31978: Hcltech Bigfix Service Management

Medium severity, CVSS 4.3. EPSS: 0.1% chance of exploitation in the next 30 days.

HCL BigFix Service Management (SM) does not adequately sanitize or safely render spreadsheet files (CSV, XLS, XLSX) before processing or distributing them. An attacker could populate data fields which, when saved to a CSV file, may attempt information exfiltration or other malicious activity when automatically executed by the spreadsheet software. Note that current versions of Excel warn users of untrusted content.

Affected products

• Hcltech Bigfix Service Management: version 23.0 only

Published 2026-05-06. Last modified 2026-10-07.