The processControlCommand function in broker/TransportConnection.java in Apache ActiveMQ before 5.11.0 allows remote attackers to cause a denial of service (shutdown) via a shutdown command.
Severity
CVSS 3.0
7.5 high
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
13% chance of exploitation in the next 30 days; higher than 96% of CVEs (scores of 2026-10-31)