CVE-2013-2789: Kepware Kepserverex

High severity, CVSS 7.8. EPSS: 1.8% chance of exploitation in the next 30 days.

The Kepware DNP Master Driver for the KEPServerEX Communications Platform before 5.12.140.0 allows remote attackers to cause a denial of service (master-station infinite loop) via crafted DNP3 packets to TCP port 20000 and allows physically proximate attackers to cause a denial of service (master-station infinite loop) via crafted input over a serial line.

Affected products

• Kepware Kepserverex: before 5.12.140.0 (fixed in 5.12.140.0)

Published 2013-08-22. Last modified 2026-06-16.