CVE-2013-2789

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-08-22 · updated 2026-06-16
Weakness: CWE-835

Description

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

PTC KEPServerEX: before 5.12.140.0 — fixed in 5.12.140.0

How to fix

Upgrade to a fixed version: PTC KEPServerEX 5.12.140.0. Check the vendor advisory for mitigations.

References

http://ics-cert.us-cert.gov/advisories/ICSA-13-226-01
http://ics-cert.us-cert.gov/advisories/ICSA-13-226-01

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