{"cve":"CVE-2021-26117","nvd":{"published":"2021-01-27T19:15:13.720","modified":"2026-06-17T03:42:53.527","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","score":7.5},"cwes":["CWE-287"],"references":["https://lists.apache.org/thread.html/r110cacfa754471361234965ffe851a046e302ff2693b055f49f47b02%40%3Cissues.activemq.apache.org%3E","https://lists.apache.org/thread.html/r22cdc0fb45e223ac92bc2ceff7af92f1193dfc614c8b248534456229%40%3Cissues.activemq.apache.org%3E","https://lists.apache.org/thread.html/r3341d96d8f956e878fb7b463b08d57ca1d58fec9c970aee929b58e0d%40%3Cissues.activemq.apache.org%3E","https://lists.apache.org/thread.html/r519bfafd67091d0b91243efcb1c49b1eea27321355ba5594f679277d%40%3Cissues.activemq.apache.org%3E","https://lists.apache.org/thread.html/r5899ece90bcae5805ad6142fdb05c58595cff19cb2e98cc58a91f55b%40%3Cgitbox.activemq.apache.org%3E"],"products":["apache:activemq","apache:artemis","debian:debian_linux","netapp:oncommand_workflow_automation","oracle:communications_element_manager","oracle:communications_session_report_manager","oracle:communications_session_route_manager","oracle:flexcube_private_banking"],"source":"nvd","synced_at":"2026-10-19T21:14:10.479542811+00:00"},"epss":{"cve":"CVE-2021-26117","score":0.1133,"percentile":0.95982,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-9mgm-gcq8-86wq","url":"https://osv.dev/vulnerability/GHSA-9mgm-gcq8-86wq","summary":"Improper Authentication in Apache ActiveMQ and Apache Artemis","modified":"2024-03-14T21:50:07.286160Z","packages":[{"ecosystem":"Maven","name":"org.apache.activemq:activemq-parent","purl":"pkg:maven/org.apache.activemq/activemq-parent","ranges":[">=5.16.0 <5.16.1"],"fixed":["5.16.1"]},{"ecosystem":"Maven","name":"org.apache.activemq:activemq-parent","purl":"pkg:maven/org.apache.activemq/activemq-parent","ranges":["<5.15.14"],"fixed":["5.15.14"]},{"ecosystem":"Maven","name":"org.apache.activemq:apache-artemis","purl":"pkg:maven/org.apache.activemq/apache-artemis","ranges":["<2.16.0"],"fixed":["2.16.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}