CVE-2022-39059: Changingtec Megaservisignadapter

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

ChangingTech MegaServiSignAdapter component has a path traversal vulnerability within its file reading function. An unauthenticated remote attacker can exploit this vulnerability to access arbitrary system files.

Affected products

• Changingtec Megaservisignadapter: before 1.0.22.1004 (fixed in 1.0.22.1004)

Published 2023-01-31. Last modified 2026-06-17.