CVE-2015-0744: Cisco Dta Control System

High severity, CVSS 7.8. EPSS: 3.4% chance of exploitation in the next 30 days.

Cisco DTA Control System (DTACS) 4.0.0.9 and Cisco Headend System Release allow remote attackers to cause a denial of service (CPU and memory consumption, and TCP service outage) via (1) a SYN flood or (2) another type of TCP traffic flood, aka Bug IDs CSCus50642, CSCus50662, CSCus50625, CSCus50657, and CSCus68315.

Affected products

  • Cisco Dta Control System: version 4.0.0.9 only
  • Cisco Headend Digital Broadband Delivery System: affected versions not specified
  • Cisco Headend System Release: version 2.5 only; version 2.7 only; version 3.2 only; version 3.5 only; version 3.7 only; version i4.3 only

Published 2015-05-30. Last modified 2026-06-17.