CVE-2021-43456: Rumble Mail Server Project Rumble Mail Server

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

An Unquoted Service Path vulnerablility exists in Rumble Mail Server 0.51.3135 via via a specially crafted file in the RumbleService executable service path.

Affected products

• Rumble Mail Server Project Rumble Mail Server: version 0.51.3135 only

Published 2022-04-04. Last modified 2026-06-17.