CVE-2022-43977: Ge Ms 3000 Firmware

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

An issue was discovered on GE Grid Solutions MS3000 devices before 3.7.6.25p0_3.2.2.17p0_4.7p0. The debug port accessible via TCP (a qconn service) lacks access control.

Affected products

• Ge Ms 3000 Firmware: before 3.7.6.25p0_3.2.2.17p0_4.7p0 (fixed in 3.7.6.25p0_3.2.2.17p0_4.7p0)

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