CVE-2023-46604

CISA KEV RANSOMWARE
ACT NOW Priority: 0.00 BB Relevance: 10/100
Published: N/A Modified: N/A First seen: 2026-10-29 Status: pending_score

Description

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.

CISA Known Exploited Vulnerability

Vendor / Product Apache — ActiveMQ
Date Added 2023-11-02
Remediation Due 2023-11-23
Ransomware Use CONFIRMED
https://activemq.apache.org/security-advisories.data/CVE-2023-46604-announcement.txt; https://nvd.nist.gov/vuln/detail/CVE-2023-46604

Bug Bounty Relevance

10 / 100
✓ Known exploited (KEV)
✓ High exploitation probability

CVSS Score

Unscored

EPSS — Exploitation Probability

99.99%
Raw Score 0.999920
Percentile 100.0%
Date 2026-10-28

Intelligence Sources

kev ref →