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PatchSiren cyber security CVE debrief

CVE-2023-46604 Apache CVE debrief

CVE-2023-46604 is a deserialization of untrusted data vulnerability in Apache ActiveMQ. CISA has placed it in the Known Exploited Vulnerabilities catalog and marked it as known ransomware campaign use, which makes this a high-priority issue for defenders. CISA’s required action is to apply vendor mitigations or discontinue use of the product if mitigations are unavailable.

Vendor
Apache
Product
ActiveMQ
CVSS
CRITICAL 9.8
CISA KEV
Listed
Original CVE published
2023-11-02
Original CVE updated
2023-11-02
Advisory published
2023-11-02
Advisory updated
2023-11-02

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.

Sources and references

Verified primary and authoritative sources

  • CVE-2023-46604 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2023-46604

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2023-46604 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2023-46604

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.