Auth bypass in Cisco Unified Communications Manager

CVE-2013-1134

The Location Bandwidth Manager (LBM) Intracluster-communication feature in Cisco Unified Communications Manager (CUCM) 9.x before 9.1(1) does not require authentication from the remote LBM Hub node, which allows remote attackers to conduct cache-poisoning attacks against transaction records, and cause a denial of service (bandwidth-pool consumption and call outage), via unspecified vectors, aka Bug ID CSCub28920.

Vulnerability class: Broken Authentication

EPSS: 0.013 (67.2th percentile) — read the EPSS interpretation.