SQL injection vulnerability in Cisco Unified Communications Manager (CUCM) with software 6.x and 7.x before 7.1(5b)su5, 8.0 before 8.0(3a)su3, and 8.5 and 8.6 before 8.6(2a)su1 and Cisco Business Edition 3000 with software before 8.6.3 and 5000 and 6000 with software before 8.6(2a)su1 allows remote attackers to execute arbitrary SQL commands via a crafted SCCP registration, aka Bug ID CSCtu73538.