CVE-2023-46604 Apache CVE debrief

Who should care

Organizations that use Apache ActiveMQ, especially teams responsible for vulnerability management, platform operations, and incident response, should treat this as urgent remediation work.

Technical summary

The available official records identify CVE-2023-46604 as an Apache ActiveMQ deserialization of untrusted data vulnerability. CISA lists it in the KEV catalog, indicates known ransomware campaign use, and directs affected organizations to apply mitigations per vendor instructions or stop using the product if mitigations are not available.

Defensive priority

High. The vulnerability is on CISA’s KEV catalog with a remediation due date of 2023-11-23 and is associated with known ransomware campaign use.

Recommended defensive actions

• Confirm whether Apache ActiveMQ is present in your environment and identify all affected versions or deployments.
• Follow Apache’s vendor guidance and apply the recommended mitigations as soon as possible.
• If vendor mitigations are not available for your deployment, discontinue use of the affected product per CISA guidance.
• Prioritize remediation ahead of the CISA KEV due date of 2023-11-23.
• Track the CISA KEV and NVD entries for current status and coordination with internal remediation records.

Evidence notes

CVE and timing information come from the supplied CVE metadata: publishedAt and modifiedAt are both 2023-11-02. CISA KEV metadata identifies Apache ActiveMQ as the affected product, records the vulnerability name as a deserialization of untrusted data issue, marks known ransomware campaign use as Known, and gives the required action to apply vendor mitigations or discontinue use if mitigations are unavailable. Official reference links supplied with the record include the Apache advisory URL cited in the KEV notes, the CVE record, NVD, and the CISA KEV catalog.

Official resources