{"cve":"CVE-2021-26118","nvd":{"published":"2021-01-27T19:15:13.780","modified":"2026-06-17T03:42:53.690","status":"Modified","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_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-284"],"references":["https://lists.apache.org/thread.html/rafd5d7cf303772a0118865262946586921a65ebd98fc24f56c812574%40%3Cannounce.apache.org%3E","https://mail-archives.apache.org/mod_mbox/activemq-users/202101.mbox/%3CCAH%2BvQmMUNnkiXv2-d3ucdErWOsdnLi6CgnK%2BVfixyJvTgTuYig%40mail.gmail.com%3E","https://security.netapp.com/advisory/ntap-20210827-0002/","https://lists.apache.org/thread.html/rafd5d7cf303772a0118865262946586921a65ebd98fc24f56c812574%40%3Cannounce.apache.org%3E","https://mail-archives.apache.org/mod_mbox/activemq-users/202101.mbox/%3CCAH%2BvQmMUNnkiXv2-d3ucdErWOsdnLi6CgnK%2BVfixyJvTgTuYig%40mail.gmail.com%3E"],"products":["apache:artemis","netapp:oncommand_workflow_automation"],"source":"nvd","synced_at":"2026-10-19T21:14:10.479542811+00:00"},"epss":{"cve":"CVE-2021-26118","score":0.03859,"percentile":0.90166,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-q7fr-vqhq-v5xr","url":"https://osv.dev/vulnerability/GHSA-q7fr-vqhq-v5xr","summary":"Apache ActiveMQ Artemis vulnerable to Improper Access Control","modified":"2026-07-07T13:45:09.832932386Z","packages":[{"ecosystem":"Maven","name":"org.apache.activemq:artemis-openwire-protocol","purl":"pkg:maven/org.apache.activemq/artemis-openwire-protocol","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."]}