CVE-2021-26117

ActiveMQ: LDAP-Authentication does not verify passwords on servers with anonymous bind

Published: Jan 27, 2021Updated: Jun 15, 2026 Sources: CVE List NVD GHSACWE-287

7.5HIGH

Description

The optional ActiveMQ LDAP login module can be configured to use anonymous access to the LDAP server. In this case, for Apache ActiveMQ Artemis prior to version 2.16.0 and Apache ActiveMQ prior to versions 5.16.1 and 5.15.14, the anonymous context is used to verify a valid users password in error, resulting in no check on the password.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:HIntegrity

High

A:NAvailability

None

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Weaknesses

CWE-287

Affected Products

oracle

commercial·USaka oracle corp.

communications element managerOn-prem

Communications

communications session report managerOn-prem

Communications

communications session route managerOn-prem

Communications / messaging-chat

flexcube private banking

Enterprise Software / erp

apache

oss-project·USaka apache http server, apache httpd

activemqLibraryLibrary

OSS Libraries / generic-library

artemisOn-premDatabase

Databases / cache-message-queue

Maven

package-ecosystem

org.apache.activemq:activemq-parent

OSS Libraries

org.apache.activemq:apache-artemis

OSS Libraries

netapp

commercial·US

oncommand workflow automation

Hardware Firmware

debian

oss-project·GBaka debian gnu/linux

debian linuxOn-premOS

Operating Systems / linux-distro

Apache Software Foundation

oss-project·USaka apache foundation

Apache ActiveMQ

Databases / cache-message-queue

Exploitability

Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Initial Access

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References

https://lists.apache.org/thread.html/r110cacfa754471361234965ffe851a046e302ff2693b055f49f47b02%40%3Cissues.activemq.apache.org%3E

lists.apache.org

https://lists.apache.org/thread.html/r22cdc0fb45e223ac92bc2ceff7af92f1193dfc614c8b248534456229%40%3Cissues.activemq.apache.org%3E

lists.apache.org

https://lists.apache.org/thread.html/r3341d96d8f956e878fb7b463b08d57ca1d58fec9c970aee929b58e0d%40%3Cissues.activemq.apache.org%3E

lists.apache.org

and 39 more references View all →

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