Resource exhaustion in AMQ Broker - CVE-2021-4040
Published: June 17, 2022
Vulnerability identifier: #VU64473
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-4040
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Red Hat Inc.
Affected software:
AMQ Broker
AMQ Broker
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to AMQ Broker does not properly control consumption of internal resources. A remote attacker can trigger resource exhaustion and partially disrupt availability to the broker through a sustained attack of maliciously crafted messages.
How to mitigate CVE-2021-4040
Install updates from vendor's website.