What is CVE-2017-6785?

CVE-2017-6785 is a medium-severity vulnerability in Cisco Unified Communications Manager, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2017-08-17.

How severe is CVE-2017-6785?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Improper input validation in Cisco Unified Communications Manager

CVE-2017-6785

A vulnerability in configuration modification permissions validation for Cisco Unified Communications Manager could allow an authenticated, remote attacker to perform a horizontal privilege escalation where one user can modify another user's configuration. The vulnerability is due to lack of proper Role Based Access Control (RBAC) when certain user configuration changes are requested. An attacker could exploit this vulnerability by sending an authenticated, crafted HTTP request to the targeted application. An exploit could allow the attacker to impact the integrity of the application where one user can modify the configuration of another user's information. Cisco Bug IDs: CSCve27331. Known Affected Releases: 10.5(2.10000.5), 11.0(1.10000.10), 11.5(1.10000.6).

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

Published 2017-08-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.016 (74.7th percentile), scored 2026-10-07.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Cisco Unified Communications Manager — versions 10.5(2.10000.5), 10.5\(2.10000.5\), 11.5\(1.10000.6\)
Cisco Systems, Inc. Unified Communications Manager — versions 10.5(2.10000.5), 11.0(1.10000.10), 11.5(1.10000.6)

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.securitytracker.com/id/1039184 (VDB Entry, Third Party Advisory, vdb-entry)
www.securityfocus.com/bid/100375 (VDB Entry, Third Party Advisory, vdb-entry)
tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170816… (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2017-6785?: CVE-2017-6785 is a medium-severity vulnerability in Cisco Unified Communications Manager, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2017-08-17.
How severe is CVE-2017-6785?: Medium severity. CVSS v3 base score is 4.3 out of 10.