SecOps SignalSecurity Intelligence Workspace
Loading collection status
Vulnerabilities/CVE-2023-46604Public Intelligence Dossier
Source: apache · Limited verification•Last verified: •Collection Degraded
CVE-2023-46604ListedCRITICAL (raw)CVSS 10.0CWE-502

The Java OpenWire protocol marshaller is vulnerable to Remote Code Execution

Published: 27 Oct 2023•Last updated: 17 Jun 2026, 12:01 PM IST•Source identifier: security@apache.org
Dossier completeness: source-provided sections 3 / 3 · rule guidance available. Missing source facts count as incomplete.
Official source
CISA KEV catalog
Listed
Added02 Nov 2023
Due23 Nov 2023
RansomwareKnown
CVSS score
10.0CRITICAL (raw)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H
Metric sourcesecurity@apache.org
EPSS probability
100%1.000
Percentile100th
Weakness type
CWE-502
No further CWE recorded
Remediation
Patch status unknown
No fixed version or KB recorded

Why It Matters

Analysis dossier

Why It Matters

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.

SOC priority

Immediate Attention

Actively exploited (source statement)

Yes

Publicly disclosed

Unknown

Risk basis: CISA KEV exploitation signal; SOC ecosystem technology relevance; CRITICAL severity; Known exploitation signal from CISA KEV or ransomware metadata; Source-confirmed exploitation or CISA KEV/ransomware metadata

Affected Products & Remediation

6 source-backed products
Affected products and versions (source)
  • apache activemq · < 5.15.16; >= 5.16.0 < 5.16.7; >= 5.17.0 < 5.17.6; >= 5.18.0 < 5.18.3; legacy openwire module < 5.15.16; legacy openwire module >= 5.16.0 < 5.16.7; legacy openwire module >= 5.17.0 < 5.17.6; legacy openwire module >= 5.18.0 < 5.18.3 · NVD CPE · Source
  • apache activemq legacy openwire module · < 5.15.16; >= 5.16.0 < 5.16.7; >= 5.17.0 < 5.17.6; >= 5.18.0 < 5.18.3 · NVD CPE · Source
  • debian debian linux · 10.0; 11.0 · NVD CPE · Source
  • netapp e-series santricity unified manager · version range not provided by source · NVD CPE · Source
  • netapp e-series santricity web services proxy · version range not provided by source · NVD CPE · Source
  • netapp santricity storage plugin · version range not provided by source · NVD CPE · Source
Recorded patch / KBNot provided by source

Vendor or catalog guidance (source)

  • CISA KEV: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Known exploitation (source facts)

Only what a source states. Unknown means no source has said either way; it is not "not exploited".

CISA KEV
Listed
Exploited (source statement)
Yes
Publicly disclosed (source)
Unknown

CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Suggested hunting (rule-based inference)

SecOps Signal recommendation (rule-based inference). These steps are hunting hypotheses from the vulnerability class; they do not state or imply that exploitation occurred here or anywhere.

Matched kev-network-exposure (CVSS AV:N, CISA KEV Listed); deserialization (CWE-502)

Exposure

  1. Identify assets with the exact CVE and confirm the affected product/version against the advisory.Telemetry: DeviceTvmSoftwareVulnerabilities · KEV listing raises urgency, but inventory is needed to establish local exposure. · Rule kev-network-exposure
  2. Find installations of the affected component and confirm the source-stated version range.Telemetry: Application inventory · Deserialization risk requires component and version evidence. · Rule deserialization

Exploitation evidence

  1. Review relevant edge or application access logs for unusual requests around the advisory window.Telemetry: CommonSecurityLog · Log review is a hunting hypothesis; KEV listing alone does not show local exploitation. · Rule kev-network-exposure
Show more (2)

Exploitation evidence

  1. Review unusual child processes or network connections from the affected service.Telemetry: DeviceProcessEvents · Unexpected behavior may support investigation but is not proof by itself. · Rule deserialization

Response

  1. Recheck the affected assets after the source-stated mitigation or update is applied.Telemetry: DeviceTvmSoftwareVulnerabilities · A follow-up inventory check verifies local remediation. · Rule kev-network-exposure

CISA KEV Record

Catalog entry
02 Nov 2023
Required action due
23 Nov 2023
Known ransomware use
Known

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

Change History & Source Data

— No recorded material change

CNA / source
security@apache.org
Record status · verification
UPDATED · CISA KEV confirmed
CPE
cpe:2.3:a:apache:activemq:*:*:*:*:*:*:*:*, cpe:2.3:a:apache:activemq_legacy_openwire_module:*:*:*:*:*:*:*:*, cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*, cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*, cpe:2.3:a:netapp:e-series_santricity_unified_manager:-:*:*:*:*:*:*:*, cpe:2.3:a:netapp:e-series_santricity_web_services_proxy:-:*:*:*:*:*:*:*, cpe:2.3:a:netapp:santricity_storage_plugin:-:*:*:*:*:vcenter:*:*

Evidence & Provenance

4 public sources
CISA KEV CatalogAdded 2023-11-02activemq.apache.orgSource recordnvd.nist.govSource recordlists.debian.orgSource record

Linked by the query's stored exact CVE association. Review required tables and validation status before use.

Detection Hunting Query
Target: DeviceTvmSoftwareVulnerabilities•Defender XDR
Detect endpoints exposed to CVE-2023-46604
Purpose: Exposure assessment (Category: Exposure Check)Why linked: Query metadata names CVE-2023-46604
DeviceTvmSoftwareVulnerabilities| where CveId == "CVE-2023-46604"| project DeviceId, DeviceName, OSPlatform, OSVersion, SoftwareVendor, SoftwareName, SoftwareVersion, CveId, VulnerabilitySeverityLevel, RecommendedSecurityUpdate, RecommendedSecurityUpdateId| sort by VulnerabilitySeverityLevel desc
Schema Checked · Not runtime validatedSource: SecOps Signal deterministic template · Limited verificationStatic screening: Passed structure and schema checks; tenant execution is not verified.
Open KQL Library

Looking up related community queries…

Loading related intelligence

Correlated briefings

SecOps Signal surfaces public advisory facts only. A missing value means the source has not published it, not that your environment is unaffected. No tenant inventory is connected.