CVE DATABASE / CVE-2023-46604
CVE-2023-46604
Apache ActiveMQ Deserialization of Untrusted Data Vulnerability
Confirmed exploited in the wild. Added 2023-11-02.
Federal remediation due 2023-11-23.
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Summary
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 manipulating serialized class types in the OpenWire protocol to cause either the client or the broker (respectively) to instantiate any class on the classpath.Users are recommended to upgrade both brokers and clients to version 5.15.16, 5.16.7, 5.17.6, or 5.18.3 which fixes this issue.
CVSS 3.1 breakdown
| Base score | 10 (CRITICAL) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | CHANGED |
| Confidentiality | LOW |
| Integrity | HIGH |
| Availability | HIGH |
Weakness type (CWE)
Affected products
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References
- http://seclists.org/fulldisclosure/2024/Apr/18
- https://activemq.apache.org/security-advisories.data/CVE-2023-46604-announcement.txt
- https://lists.debian.org/debian-lts-announce/2023/11/msg00013.html
- https://packetstormsecurity.com/files/175676/Apache-ActiveMQ-Unauthenticated-Remote-Code-Execution.html
- https://security.netapp.com/advisory/ntap-20231110-0010/
- https://www.openwall.com/lists/oss-security/2023/10/27/5
- https://lists.debian.org/debian-lts-announce/2024/10/msg00027.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-46604
Data: NIST NVD + CISA KEV. NVD last modified 2025-11-04. Always verify against the vendor advisory before acting.