How severe is GHSA-rxqh-fc23-gxp2?

GHSA-rxqh-fc23-gxp2 has a CVSS score of 9.8/10, rated CRITICAL. Immediate patching is strongly recommended.

Which packages are affected by GHSA-rxqh-fc23-gxp2?

GHSA-rxqh-fc23-gxp2 affects the following packages: org.apache.activemq:activemq-client (Maven). Ecosystems affected: Maven.

How do I fix GHSA-rxqh-fc23-gxp2?

Update org.apache.activemq:activemq-client to version 5.14.0 or later. Run your dependency manager's update command and verify no transitive dependencies pin the vulnerable version. Use O3 Security's SCA scanner to confirm the fix is applied across your entire dependency tree.

Is GHSA-rxqh-fc23-gxp2 actively exploited in the wild?

Yes. There are 17 known exploit references for GHSA-rxqh-fc23-gxp2, including 2 documented proof-of-concept exploits on Exploit-DB and 9 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for GHSA-rxqh-fc23-gxp2?

GHSA-rxqh-fc23-gxp2 has an EPSS (Exploit Prediction Scoring System) score of 94.3%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

Is GHSA-rxqh-fc23-gxp2 in the CISA Known Exploited Vulnerabilities catalog?

Yes. GHSA-rxqh-fc23-gxp2 (Apache ActiveMQ Improper Input Validation Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2022-02-10. CISA required all US federal civilian agencies to remediate this vulnerability by 2022-08-10. The required action was: Apply updates per vendor instructions. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

What type of vulnerability is GHSA-rxqh-fc23-gxp2?

GHSA-rxqh-fc23-gxp2 is classified as Unrestricted File Upload (CWE-434). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

Is there exploit tooling available for GHSA-rxqh-fc23-gxp2?

A Nuclei detection template exists for GHSA-rxqh-fc23-gxp2, meaning automated scanners can fingerprint it. Public exploit tooling significantly increases real-world risk — prioritize patching and ensure detection coverage. Exploit tooling should only ever be used in isolated, authorized testing environments.

When was GHSA-rxqh-fc23-gxp2 published, and has it been updated?

GHSA-rxqh-fc23-gxp2 was published on May 14, 2022 and was last updated on October 22, 2025. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CISA KEV·Added 2022-02-10 — agencies required to remediate by 2022-08-10

☕ Maven

GHSA-rxqh-fc23-gxp2

CRITICAL

Improper Input Validation in Apache ActiveMQ

Also known asCVE-2016-3088

Published

May 14, 2022

Updated

Oct 22, 2025

Affected

1 pkg

Patched

1 / 1

Exploits

17 known

EPSS Exploitation Probability

via FIRST.org ↗

94.3%probability of exploitation in next 30 days

Very High Risk100th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Blast Radius

1 pkg affected

☕org.apache.activemq:activemq-client

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

The Fileserver web application in Apache ActiveMQ 5.x before 5.14.0 allows remote attackers to upload and execute arbitrary files via an HTTP PUT followed by an HTTP MOVE request.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
☕Maven	`org.apache.activemq:activemq-client`	≥ 5.0.0&&< 5.14.0	5.14.0

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-40857remotewindows✓ Verified

Apache ActiveMQ 5.11.1/5.13.2 - Directory Traversal / Command Execution

by David Jorm · Aug 17, 2015

Exploit-DB Source

EDB-42283remotejava✓ Verified

ActiveMQ < 5.14.0 - Web Shell Upload (Metasploit)

by Metasploit · Jun 29, 2017

Exploit-DB Source

Frequently Asked Questions

The Fileserver web application in Apache ActiveMQ 5.x before 5.14.0 allows remote attackers to upload and execute arbitrary files via an HTTP PUT followed by an HTTP MOVE request.

O3 Security · Impact-Aware SCA

Is GHSA-rxqh-fc23-gxp2 in your stack?

O3 detects GHSA-rxqh-fc23-gxp2 across Maven dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

Scan my stack How O3 SCA works

CVSS Score

9.8/10

CVSS v3 base score

Vector breakdown

AV:Attack Vector

Network

AC:Attack Complexity

Low

PR:Privileges Required

None

UI:User Interaction

None

S:Scope

Unchanged

C:Confidentiality

High

I:Integrity

High

A:Availability

High

Raw vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H

CWE Classification

CWE-434Unrestricted File Upload

Weaponization

OpenSSF Scorecard

Package health score

activemq

6.3/10

Maintained10/10

Code-Review10/10

Branch-ProtectionN/A

Assessed Jun 8, 2026

Timeline

First exploit

Aug 17, 2015

KEV added

Feb 10, 2022

Disclosed

May 14, 2022

Last updated

Oct 22, 2025

Identifiers

GHSA-rxqh-fc23-gxp2

References

Advisorynvd.nist.gov Webgithub.com Webissues.apache.org Weblists.apache.org Weblists.apache.org Weblists.apache.org Weblists.apache.org Weblists.apache.org Weblists.apache.org Webstackoverflow.com Webcisa.gov Webexploit-db.com Webactivemq.apache.org Webrhn.redhat.com Websecuritytracker.com Webzerodayinitiative.com Webzerodayinitiative.com

Data from OSV.dev, enriched by O3 Security. Refreshed hourly.