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Vulnerability Intelligence

CVE-2016-3088

CriticalExploitedPublic exploit

Improper Input Validation in Apache ActiveMQ

Published May 14, 2022 · Updated Aug 4, 2026 · Also known as DEBIAN-CVE-2016-3088, GHSA-rxqh-fc23-gxp2, UBUNTU-CVE-2016-3088

Key Facts

Patch immediately
  • CVE-2016-3088 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Activemq (Apache), rootio-activemq, org.apache.activemq:activemq-client (maven).
  • It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Sep 19, 2018 and is known to be used in ransomware campaigns. Public exploit code is available.
  • EPSS estimates a 99% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Activemq 5.14.0+dfsg-1, Activemq 5.14.0, org.apache.activemq:activemq-client 5.14.0.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

9.8

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

EPSS (30-day exploit likelihood)

99%

Higher than 99.9% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings, used by ransomware

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2016-3088 brief as a PDF

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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.

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
CISA KEVFeb 10, 2022Aug 10, 2022Not reported
Industry KEV feedSep 19, 2018Aug 10, 2022Known
CIRCL KEVFeb 10, 2022Aug 10, 2022Not reported
ENISA EUVDFeb 10, 2022n/aNot reported

Required action: Apply updates per vendor instructions.

Affected Products

15 affected entries in total
ProductAffected versionsFixed in
ActivemqApacheSee advisory5.14.0
rootio-activemqrootioSee advisory5.14.0+dfsg-1
org.apache.activemq:activemq-clientmaven>= 5.0.05.14.0

Patched Releases

Activemq

5.14.0+dfsg-1, 5.14.0

org.apache.activemq:activemq-client

5.14.0

rootio-activemq

5.14.0+dfsg-1

Timeline

  1. Added to Industry KEV feed

    Sep 19, 2018

  2. Added to CISA KEV

    Feb 10, 2022

  3. Added to CIRCL KEV

    Feb 10, 2022

  4. Added to ENISA EUVD

    Feb 10, 2022

  5. Publicly disclosed

    May 14, 2022

  6. Last updated

    Aug 4, 2026

Weakness Type

  • CWE-20 Improper Input Validation
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
  • CWE-434 Unrestricted Upload of File with Dangerous Type

References

15 more references in the full CVE brief

FAQ

Common Questions.

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