What is CVE-2016-6646?

CVE-2016-6646 is a critical-severity vulnerability in Dell EMC Unisphere, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2016-10-05.

How severe is CVE-2016-6646?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Improper input validation in Dell EMC Unisphere

CVE-2016-6646

The vApp Managers web application in EMC Unisphere for VMAX Virtual Appliance 8.x before 8.3.0 and Solutions Enabler Virtual Appliance 8.x before 8.3.0 allows remote attackers to execute arbitrary code via crafted input to the (1) GetSymmCmdRequest or (2) RemoteServiceHandler class.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2016-10-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.049 (91.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.049 · newest: 0.049 · change: 0.000

Affected products

Dell EMC Unisphere — versions 8.0, 8.1, 8.1.2
EMC Solutions Enabler — versions 8.0, 8.0.3, 8.1
EMC Unisphere — versions 8.0.3

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

seclists.org/bugtraq/2016/Oct/7 (mailing-list, Third Party Advisory)
www.securitytracker.com/id/1036941 (vdb-entry)
www.securityfocus.com/bid/93343 (vdb-entry)

Frequently asked questions

What is CVE-2016-6646?: CVE-2016-6646 is a critical-severity vulnerability in Dell EMC Unisphere, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2016-10-05.
How severe is CVE-2016-6646?: Critical severity. CVSS v3 base score is 9.8 out of 10.