What is CVE-2017-6794?

CVE-2017-6794 is a medium-severity vulnerability in Cisco Meeting Server, classified under Improper Input Validation. CVSS score: 6.7/10. Published 2017-09-07.

How severe is CVE-2017-6794?

Medium severity. CVSS v3 base score is 6.7 out of 10.

RCE in Cisco Meeting Server

CVE-2017-6794

A vulnerability in the CLI command-parsing code of Cisco Meeting Server could allow an authenticated, local attacker to perform command injection and escalate their privileges to root. The attacker must first authenticate to the application with valid administrator credentials. The vulnerability is due to insufficient validation of user-supplied input at the CLI for certain commands. An attacker could exploit this vulnerability by authenticating to the affected application and submitting a crafted CLI command for execution at the Cisco Meeting Server CLI. An exploit could allow the attacker to perform command injection and escalate their privilege level to root. Vulnerable Products: This vulnerability exists in Cisco Meeting Server software versions prior to and including 2.0, 2.1, and 2.2. Cisco Bug IDs: CSCvf53830.

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

Published 2017-09-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (56.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Cisco Meeting Server — versions 2.0.0, 2.0.1, 2.0.2
Cisco Meeting Server — versions Cisco Meeting Server

Weakness classification (CWE)

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170823… (Vendor Advisory)
www.securitytracker.com/id/1039245 (VDB Entry, Third Party Advisory, vdb-entry)
www.securityfocus.com/bid/100464 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2017-6794?: CVE-2017-6794 is a medium-severity vulnerability in Cisco Meeting Server, classified under Improper Input Validation. CVSS score: 6.7/10. Published 2017-09-07.
How severe is CVE-2017-6794?: Medium severity. CVSS v3 base score is 6.7 out of 10.