CVE-2025-31981 — HCL BigFix Service Management (SM) Discovery is vulnerable
CVE-2025-31981 — HCL BigFix Service Management (SM) Discovery is vulnerable to unenforced encryption due to port 80 (HTTP) being open, allowing unencrypted access. An attacker with access to the network traffic can sniff packets from the connection and uncover the data.
What This Means For You
- If your environment is affected by CWE-319, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2025-31981 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
3 rules · 6 SIEM formats3 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.
CVE-2025-31981 - HCL BigFix SM Discovery Unencrypted HTTP Access
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2025-31981 | vulnerability | CVE-2025-31981 |
| CWE-319 | weakness | CWE-319 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | April 21, 2026 at 18:16 UTC |
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