What is CVE-2023-46604?

CVE-2023-46604 is a critical-severity vulnerability in Apache Activemq, classified under Deserialization of Untrusted Data. CVSS score: 10.0/10. Published 2023-10-27.

How severe is CVE-2023-46604?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Is CVE-2023-46604 known to be exploited?

Yes. CVE-2023-46604 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-11-02), indicating it is being actively exploited. 106 public proof-of-concept repositories are indexed.

Deserialization in Apache Activemq

CVE-2023-46604

The Java OpenWire protocol marshaller is vulnerable to Remote Code Execution. This vulnerability may allow a remote attacker with network access to either a Java-based OpenWire broker or client to run arbitrary shell commands by manipul…

Vulnerability class: Insecure Deserialization

EPSS: 0.997 (99.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H.

Affected products

Apache Activemq
Apache Activemq_legacy_openwire_module
Apache Software Foundation Activemq — versions 5.18.0, 5.17.0, 5.16.0
Apache Software Foundation Activemq Legacy Openwire Module — versions 5.18.0, 5.17.0, 5.16.0
Netapp E-series_santricity_unified_manager
Netapp E-series_santricity_web_services_proxy
Netapp Santricity_storage_plugin
Debian Debian_linux — versions 10.0, 11.0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2023-11-02. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2023-11-23.

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Known ransomware campaign use: yes.

Public proof-of-concept exploits

References

security@apache.org (vendor-advisory, Vendor Advisory)
security@apache.org (Mailing List)
security@apache.org (Third Party Advisory)
security@apache.org (Exploit, VDB Entry, Third Party Advisory)
security@apache.org (Mailing List)
security@apache.org (Mailing List, Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (Third Party Advisory, US Government Resource)

Frequently asked questions

What is CVE-2023-46604?: CVE-2023-46604 is a critical-severity vulnerability in Apache Activemq, classified under Deserialization of Untrusted Data. CVSS score: 10.0/10. Published 2023-10-27.
How severe is CVE-2023-46604?: Critical severity. CVSS v3 base score is 10.0 out of 10.
Is CVE-2023-46604 known to be exploited?: Yes. CVE-2023-46604 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-11-02), indicating it is being actively exploited. 106 public proof-of-concept repositories are indexed.