CRITICALCVSS v3.1 9.8Actively exploited · CISA KEV since 2023-11-02Vulnerability

CVE-2023-46604

Apache ActiveMQ contains a deserialization of untrusted data vulnerability that may allow a remote attacker with network access to a broker to run shell commands by manipulating serialized class types in the OpenWire protocol to cause the broker to instantiate any class on the classpath.

Properties

Euvd product
Apache ActiveMQ, Apache ActiveMQ Legacy OpenWire Module
Vulnerability name
Apache ActiveMQ Deserialization of Untrusted Data Vulnerability
First seen
2025-11-03T21:50:00+00:00
Cvss score
9.8
Epss score
0.99891
Last seen
2026-10-19T12:00:27+00:00
Due date
2023-11-23
Euvd assigner
apache
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2023-11-02T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2023-11-02
Score
9.8
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Apache Software Foundation
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
10

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CVE-2023-46604 (CVSS v3.1 9.8) — Ninja Signal Threat Intelligence | Ninja Signal