Improper Authentication in ActiveMQ - CVE-2020-11998

Vulnerability details

The vulnerability allows a remote client to bypass authentication process.

The vulnerability exists due to an error in authentication process, caused by incorrect implementation of protection measures against JMX re-bind attack. A remote attacker can bypass authentication process by passing an empty environment map to RMIConnectorServer, instead of the map that contains the authentication credentials.As a result, a remote client can create javax.management.loading.MLet MBean and use it to create new MBeans from arbitrary URLs.

Successful exploitation of the vulnerability may allow an attacker to execute arbitrary code on the target system.

Affected software

How to mitigate CVE-2020-11998

External References

• http://activemq.apache.org/security-advisories.data/CVE-2020-11998-announcement.txt

Related Security Bulletins

• Authentication bypass in Apache ActiveMQ
• Multiple vulnerabilities in Oracle Enterprise Repository
• Multiple vulnerabilities in Oracle FLEXCUBE Private Banking
• Multiple vulnerabilities in Oracle Communications Diameter Signaling Router (DSR)
• Multiple vulnerabilities in Oracle FLEXCUBE Private Banking