SARA / Free Tools / CVE / CVE-2023-46604

CVE-2023-46604 — Apache ActiveMQ Deserialization of Untrusted Data Vulnerability

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

CVSS
10.0 CRITICAL
EPSS
94.44% (top 0.00%)
CWE
CWE-502
Published
2023-10-27T14:59:31.046Z
Last modified
2025-11-03T21:50:00.516Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H
CISA KEV — Actively Exploited
Added to KEV
2023-11-02
BOD 22-01 due
2023-11-23
Ransomware use
Known

01What is this vulnerability?

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.

02Affected products

VendorProductVersions
Apache Software FoundationApache ActiveMQ5.18.0, 5.17.0, 5.16.0, 0
Apache Software FoundationApache ActiveMQ Legacy OpenWire Module5.18.0, 5.17.0, 5.16.0, 5.8.0

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2023-11-02. Ransomware use: Known.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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