CVE-2021-26117
Improper Authentication in Apache ActiveMQ and Apache Artemis
7.5
HIGH
CVSS 3.1
EPSS 9.9%
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.
How to fix CVE-2021-26117
To remediate CVE-2021-26117, upgrade the affected package to a fixed version below.
- —upgrade to 5.15.14 or later
- —upgrade to 5.16.1-1 or later
- —upgrade to 5.16.1 or later
- —upgrade to 2.16.0 or later
Is CVE-2021-26117 being exploited?
Moderate — EPSS is 9.9%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (4)
- >= 5.15.0, < 5.15.14, >= 5.16.0, < 5.16.1
- from 0, < 5.16.1-1
- >= 5.16.0, < 5.16.1
- from 0, < 2.16.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |