CVE-2020-12493: Swarco CPU LS4000 Firmware

Critical severity, CVSS 10.0. EPSS: 1.4% chance of exploitation in the next 30 days.

An open port used for debugging in SWARCOs CPU LS4000 Series with versions starting with G4... grants root access to the device without access control via network. A malicious user could use this vulnerability to get access to the device and disturb operations with connected devices.

Affected products

• Swarco CPU LS4000 Firmware: version g4 only

Published 2020-05-29. Last modified 2026-06-17.