Deserialization in Apache Software Foundation 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: 0.944 (100.0th 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

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . 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: .

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

Frequently asked questions

What is CVE-2023-46604?
CVE-2023-46604 is a critical-severity vulnerability in Apache Software Foundation 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. 104 public proof-of-concept repositories are indexed.