CVE-2023-46604 (GCVE-0-2023-46604)

Vulnerability from cvelistv5 – Published: 2023-10-27 14:59 – Updated: 2025-11-03 21:50
VLAI CISA KEV EUVD KEV
Title
Apache ActiveMQ, Apache ActiveMQ Legacy OpenWire Module: Unbounded deserialization causes ActiveMQ to be vulnerable to a remote code execution (RCE) attack
Summary
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.
Severity
10 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H
SSVC
Exploitation: active Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache ActiveMQ Affected: 5.18.0 , < 5.18.3 (semver)
Affected: 5.17.0 , < 5.17.6 (semver)
Affected: 5.16.0 , < 5.16.7 (semver)
Affected: 0 , < 5.15.16 (semver)
Create a notification for this product.
Apache Software Foundation Apache ActiveMQ Legacy OpenWire Module Affected: 5.18.0 , < 5.18.3 (semver)
Affected: 5.17.0 , < 5.17.6 (semver)
Affected: 5.16.0 , < 5.16.7 (semver)
Affected: 5.8.0 , < 5.15.16 (semver)
Create a notification for this product.
Credits
yejie@threatbook.cn
CISA KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 6dd073cf-6746-4e8e-b441-f61675bbe086

Vulnerability ID: CVE-2023-46604

Status: Confirmed

Status Updated: 2023-11-02 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2023-11-02
Asserted: 2023-11-02
Scope
Notes: KEV entry: Apache ActiveMQ Deserialization of Untrusted Data Vulnerability | Affected: Apache / ActiveMQ | 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. | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2023-11-23 | Known ransomware campaign use (KEV): Known | Notes (KEV): https://activemq.apache.org/security-advisories.data/CVE-2023-46604-announcement.txt; https://nvd.nist.gov/vuln/detail/CVE-2023-46604
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-502
Feed CISA Known Exploited Vulnerabilities Catalog
Product ActiveMQ
Due Date 2023-11-23
Date Added 2023-11-02
Vendorproject Apache
Vulnerabilityname Apache ActiveMQ Deserialization of Untrusted Data Vulnerability
Knownransomwarecampaignuse Known
References
Created: 2026-02-02 13:24 UTC | Updated: 2026-02-06 07:53 UTC
EUVD KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 4c9dc532-4817-4485-87bc-ca2e4991b226

Vulnerability ID: CVE-2023-46604

Status: Confirmed

Status Updated: 2025-01-23 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2025-01-23
Asserted: 2025-01-23
Scope
Notes: Affected: Apache / ActiveMQ | Exploitation type: ransomware | Origin source: cnw
Evidence

Type: Csirt Report

Signal: Confirmed Compromise

Confidence: 75%

Source: enisa-cnw-kev

Details
Cwes -
Euvd EUVD-2023-2719
Notes -
Catalog ENISA / EU CSIRTs Network (CNW) KEV CSV
Product ActiveMQ
Datereported 23/01/25
Originsource cnw
Vendorproject Apache
Exploitationtype ransomware
Vulnerabilityname -
Threatactorsexploiting -
References
Created: 2026-02-02 13:23 UTC | Updated: 2026-02-06 07:53 UTC
Show details on NVD website
To clipboard 

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}


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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.