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CVE-2021-26118

Flaw in ActiveMQ Artemis OpenWire support

Published: Jan 27, 2021Updated: Jun 15, 2026 Sources: CVE List NVD GHSACWE-284
NVD MITRE
7.5CVSSHIGH
EPSS Score
4.0%
Top 10.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

While investigating ARTEMIS-2964 it was found that the creation of advisory messages in the OpenWire protocol head of Apache ActiveMQ Artemis 2.15.0 bypassed policy based access control for the entire session. Production of advisory messages was not subject to access control in error.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:HA:N
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-284NVD-CWE-Other

Affected Products

Apache ActiveMQ ArtemisApache Software Foundation
Mixed
Web & CMS Plugins / cms-core
org.apache.activemq:artemis-openwire-protocolMavenOSS Libraries
artemisapache
On-premDatabase
Databases / cache-message-queue
oncommand workflow automationnetappHardware Firmware
apache software foundationoss-projectUSWeb & CMS Pluginsaka apache foundation
mavenpackage-ecosystemOSS Libraries
apacheoss-projectUSWeb & CMS Pluginsaka apache http server, apache httpd
netappcommercialUSHardware Firmware

Exploitability

Official Patch Available
Workaround Available

References

https://mail-archives.apache.org/mod_mbox/activemq-users/202101.mbox/%3CCAH%2BvQmMUNnkiXv2-d3ucdErWOsdnLi6CgnK%2BVfixyJvTgTuYig%40mail.gmail.com%3E
mail-archives.apache.org
https://lists.apache.org/thread.html/rafd5d7cf303772a0118865262946586921a65ebd98fc24f56c812574%40%3Cannounce.apache.org%3E
lists.apache.org
https://security.netapp.com/advisory/ntap-20210827-0002/
security.netapp.com
and 5 more references View all →

Timeline

Published
Jan 27, 2021
Last Updated
Jun 15, 2026

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