CVE & CISA-KEV Catalog

CVE-2023-46604

CRITICALCISA KEVEPSS 100th pctl
10.0
CVSS v3
NVD

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.

CWE-502Deserialization of Untrusted Data

How to fix

Remediation Available
activemqDebian
Fixed in:5.16.1-1+deb11u1CVE-2023-46604
Fixed in:5.17.2+dfsg-2+deb12u1CVE-2023-46604
Fixed in:5.17.6+dfsg-1CVE-2023-46604
Fixed in:5.17.6+dfsg-1CVE-2023-46604
jboss-amqRed Hat / RHEL
Fixed in:6/amq63-openshift@sha256:ee5a3799f9b610e014cd03c49ae15d4b39196de58e63ac340f7e559266a2d6ce_amd64RHSA-2023:6866
jboss-amqRocky
Fixed in:6/amq63-openshift@sha256:ee5a3799f9b610e014cd03c49ae15d4b39196de58e63ac340f7e559266a2d6ce_amd64RHSA-2023:6866
activemqUbuntu
Fixed in:5.13.2+dfsg-2ubuntu0.1~esm1USN-6910-1
Fixed in:5.15.8-2~18.04.1~esm1USN-6910-1
Fixed in:5.15.11-1ubuntu0.1~esm1USN-6910-1
Fixed in:5.16.1-1ubuntu0.1USN-7268-1
Fixed in:5.16.1-1ubuntu0.1~esm1USN-6910-1
libactivemq-javaUbuntu
Fixed in:5.13.2+dfsg-2ubuntu0.1~esm1USN-6910-1
Fixed in:5.15.8-2~18.04.1~esm1USN-6910-1
Fixed in:5.15.11-1ubuntu0.1~esm1USN-6910-1
Fixed in:5.16.1-1ubuntu0.1USN-7268-1
Fixed in:5.16.1-1ubuntu0.1~esm1USN-6910-1

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Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeChanged

Impact

ConfidentialityLow
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

99.65%probability of exploitation in 30 days
100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Apache ActiveMQ Deserialization of Untrusted Data Vulnerability

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.

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

Remediation due: 2023-11-23

Associated with ransomware campaigns

References

Vendor Advisory1

Related Vulnerabilities

Other CWE-502 (Deserialization of Untrusted Data) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2023-0669High7.2100%KEV + RansomFix
CVE-2021-44228Critical10.0100%KEV + RansomFix
CVE-2021-35464Critical9.8100%KEV + RansomFix
CVE-2023-29300Critical9.8100%KEV + Ransom-
CVE-2025-53770Critical9.8100%KEV + RansomFix
CVE-2022-41082High8.0100%KEV + RansomFix
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-04.