CVE-2020-16100: Gallagher Command Centre

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

It is possible for an unauthenticated remote DCOM websocket connection to crash the Command Centre service's DCOM websocket thread due to improper shutdown of closed websocket connections, preventing it from accepting future DCOM websocket (Configuration Client) connections. Affected versions are v8.20 prior to v8.20.1166(MR3), v8.10 prior to v8.10.1211(MR5), v8.00 prior to v8.00.1228(MR6), all versions of 7.90 and earlier.

Affected products

  • Gallagher Command Centre: from 8.00, before 8.00.1228 (fixed in 8.00.1228); from 8.10, before 8.10.1211 (fixed in 8.10.1211); from 8.20, before 8.20.1166 (fixed in 8.20.1166); version 8.00.1228 only; version 8.10.1211 only; version 8.20.1166 only

Published 2020-09-15. Last modified 2026-06-17.