CVE-2012-5049: Optimalog Optima PLC

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

APIFTP Server in Optimalog Optima PLC 1.5.2 and earlier allows remote attackers to cause a denial of service (infinite loop) via a malformed packet.

Affected products

• Optimalog Optima PLC: up to and including 1.5.2; version 1.4.9 only; version 1.4.10 only; version 1.5.0 only; version 1.5.1 only

Published 2012-09-28. Last modified 2026-06-16.