CVE-2016-6656

high

Published 2016-12-16 · Modified 2026-05-06

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

7.2

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

7.2

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.

Predictions

Exploit likelihood

81%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Application impact

Vendor	Product	Versions	Fixed
pivotal_software	greenplum	`{"endIncluding":"4.3.9.1"}`

References

CWEs

CWE-77

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.