CVE-2023-46604: critical vulnerability in Apache ActiveMQ
Apache ActiveMQ, Apache ActiveMQ Legacy OpenWire Module: Unbounded deserialization causes ActiveMQ to be vulnerable to a remote code execution (RCE) attack
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Apache ActiveMQ's OpenWire protocol allows remote attackers to execute arbitrary commands on servers or clients by sending specially crafted messages. This is a critical flaw that affects the messaging system itself.
Unbounded deserialization in the OpenWire protocol marshaller (CWE-502) enables Remote Code Execution when a remote attacker with network access manipulates serialized class types to instantiate arbitrary classes from the classpath on either broker or client. No authentication is required; impact includes complete system compromise.
The full analysis of this CVE is available in Portuguese →
In the same product, most dangerous first.