Vulnerability
Apache ActiveMQ Deserialization of Untrusted Data Vulnerability
Apache ActiveMQ contains a deserialization of untrusted data vulnerability that may allow a remote attacker with network access to a broker to run shell commands by manipulating serialized class types in the OpenWire protocol to cause the broker to instantiate any class on the classpath.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA description: “Apache ActiveMQ contains a deserialization of untrusted data vulnerability that may allow a remote attacker with network access to a broker to run shell commands by manipulating serialized class types in the OpenWire protocol to cause the broker to instantiate any class on the classpath.”
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:HStatistically about to be weaponized — top-tier triage urgency.
No VEX statements published for CVE-2023-46604. Vendors publish VEX (Vulnerability Exploitability eXchange) to assert per-product whether a CVE is actually exploitable in their distribution.
Active exploitation with total impact on essential/support systems