November 2, 2023 · Applied Cybernetics Group
CVE-2023-46604 — Apache ActiveMQ
known ransomware use
Apache ActiveMQ Deserialization of Untrusted Data Vulnerability
- Added to KEV
2023-11-02- Federal due date
2023-11-23- Vendor
- Apache
- Product
- ActiveMQ
- EPSS
- 100.0th percentile (score 0.944, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Known
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2023-46604
CISA short 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.
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.