CVE-2013-6689: Cisco Unified Communications Manager

Medium severity, CVSS 6.9. EPSS: 0.4% chance of exploitation in the next 30 days.

Cisco Unified Communications Manager (Unified CM) 9.1(1) and earlier allows local users to bypass file permissions, and read, modify, or create arbitrary files, via an "overload" of the command-line utility, aka Bug ID CSCui58229.

Affected products

• Cisco Unified Communications Manager: up to and including 9.1\(1\); version 3.3(5) only; version 3.3(5)sr1 only; version 3.3(5)sr2a only; version 4.1(3) only; version 4.1(3)sr1 only; …

Published 2013-11-18. Last modified 2026-06-17.