{"cve":"CVE-2020-11998","nvd":{"published":"2020-09-10T19:15:13.083","modified":"2026-06-17T02:51:13.523","status":"Modified","description":"A regression has been introduced in the commit preventing JMX re-bind. By passing an empty environment map to RMIConnectorServer, instead of the map that contains the authentication credentials, it leaves ActiveMQ open to the following attack: https://docs.oracle.com/javase/8/docs/technotes/guides/management/agent.html \"A remote client could create a javax.management.loading.MLet MBean and use it to create new MBeans from arbitrary URLs, at least if there is no security manager. In other words, a rogue remote client could make your Java application execute arbitrary code.\" Mitigation: Upgrade to Apache ActiveMQ 5.15.13","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":[],"references":["http://activemq.apache.org/security-advisories.data/CVE-2020-11998-announcement.txt","https://lists.apache.org/thread.html/r946488fb942fd35c6a6e0359f52504a558ed438574a8f14d36d7dcd7%40%3Ccommits.activemq.apache.org%3E","https://lists.apache.org/thread.html/rb2fd3bf2dce042e0ab3f3c94c4767c96bb2e7e6737624d63162df36d%40%3Ccommits.activemq.apache.org%3E","https://www.oracle.com//security-alerts/cpujul2021.html","https://www.oracle.com/security-alerts/cpuApr2021.html"],"products":["apache:activemq","oracle:communications_diameter_signaling_router","oracle:communications_element_manager","oracle:communications_session_report_manager","oracle:communications_session_route_manager","oracle:enterprise_repository","oracle:flexcube_private_banking"],"source":"nvd","synced_at":"2026-10-19T21:09:20.498348299+00:00"},"epss":{"cve":"CVE-2020-11998","score":0.48885,"percentile":0.98878,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-wqfh-9m4g-7x6x","url":"https://osv.dev/vulnerability/GHSA-wqfh-9m4g-7x6x","summary":"Remote code execution in Apache ActiveMQ","modified":"2024-03-14T21:56:27Z","packages":[{"ecosystem":"Maven","name":"org.apache.activemq:activemq-parent","purl":"pkg:maven/org.apache.activemq/activemq-parent","ranges":[">=5.15.12 <5.15.13"],"fixed":["5.15.13"]}]}],"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."]}