Apache ActiveMQ Deserialization of Untrusted Data Vulnerability

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

CVSS v3.1 Metrics

CRITICAL

10 / 10

Minimal Risk Critical

Vector Specification

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H

Exploitation Likelihood

EPSS Prediction

94.44 %

Predictive Probability

Percentile Rank

100.0 th

Documented as more likely to be exploited than 100.0% of known CVEs.

Detection Date

Nov 02, 2023

Remediation Due

Nov 23, 2023

CISA Catalog Active

Threat Analysis

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.

Remediation Directive

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

External Intelligence

https://activemq.apache.org/security-advisories.data/CVE-2023-46604-announcement.txt

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2023-46604