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CRITICAL CISA KEV

CVE-2023-46604

CVSS v3

9.8

CRITICAL

EPSS Score

94.4 %

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

Description

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. Users are recommended to upgrade both brokers and clients to version 5.15.16, 5.16.7, 5.17.6, or 5.18.3 which fixes this issue.

CISA Known Exploited Vulnerability

Date Added
2023-11-02
Patch Due Date
2023-11-23
Ransomware Use
Known

Technical details

Published
2023-10-27

Frequently asked questions

What is 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 manipulating serialized class types in the OpenWire protocol to cause either the client or the broker (respectively) to instantiate any class on the classpath. Users are recommended to upgrade both brokers and clients to version 5.15.16, 5.16.7, 5.17.6, or 5.18.3 which fixes this issue.

Is CVE-2023-46604 actively exploited?

Yes. CVE-2023-46604 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 11/23/2023.

What is the CVSS score for CVE-2023-46604?

CVE-2023-46604 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2023-46604 affecting your environment?

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