CVE-2018-11775 Improper Certificate Validation in Apache activemq-client

What is CVE-2018-11775?

CVE-2018-11775 is a high-severity vulnerability in Apache Activemq, published on 10 Sep 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

TLS hostname verification when using the Apache ActiveMQ Client before 5.15.6 was missing which could make the client vulnerable to a MITM attack between a Java application using the ActiveMQ client and the ActiveMQ server. This is now enabled by default.

Weakness: CWE-295

Which versions are affected by CVE-2018-11775?

2 open source packages ship an affected version, including org.apache.activemq:activemq-client. It affects 3 products.

Products include Apache Activemq, Oracle Enterprise Repository, Oracle Flexcube Private Banking.

How do I fix CVE-2018-11775?

Upgrade org.apache.activemq:activemq-client to 5.15.6 or later.

Is CVE-2018-11775 being exploited?

There is no known exploitation of CVE-2018-11775 in the wild and no public exploit code.

Other vulnerabilities in Apache Activemq

• CVE-2023-46604 Apache ActiveMQ Deserialization of Untrusted Data Exploited Critical 10.0
• CVE-2016-3088 Apache ActiveMQ Improper Input Validation Exploited Critical 9.8
• CVE-2026-34197 Apache ActiveMQ Improper Input Validation Exploited High 8.8
• CVE-2020-11998 Remote code execution in Apache ActiveMQ Critical 9.8
• CVE-2013-7285 Command Injection in Xstream Critical 9.8

All Apache Activemq vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2018-11775, GHSA-m9w8-v359-9ffr, UBUNTU-CVE-2018-11775.