{"id":"CVE-2021-25930","aliases":["GHSA-p63h-7hw8-5cw4"],"url":"https://o3.security/vulnerability/CVE-2021-25930","summary":"Cross-Site Request Forgery in OpenNMS Horizon","details":"In OpenNMS Horizon, versions opennms-1-0-stable through opennms-27.1.0-1; OpenNMS Meridian, versions meridian-foundation-2015.1.0-1 through meridian-foundation-2019.1.18-1; meridian-foundation-2020.1.0-1 through meridian-foundation-2020.1.6-1 are vulnerable to CSRF, due to no CSRF protection, and since there is no validation of an existing user name while renaming a user. As a result, privileges of the renamed user are being overwritten by the old user and the old user is being deleted from the user list.","published":"2021-05-20T14:15:07.737Z","modified":"2026-07-09T00:13:03.568764Z","cvss":{"score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Maven","name":"org.opennms:opennms","fixedVersion":"27.1.1"},{"ecosystem":"Maven","name":"org.opennms:opennms-config","fixedVersion":"27.1.1"}],"fix":{"url":"https://github.com/OpenNMS/opennms/commit/607151ea8f90212a3fb37c977fa57c7d58d26a84","label":"OpenNMS/opennms@607151e"},"references":[{"type":"FIX","url":"https://github.com/OpenNMS/opennms/commit/607151ea8f90212a3fb37c977fa57c7d58d26a84"},{"type":"FIX","url":"https://github.com/OpenNMS/opennms/commit/eb08b5ed4c5548f3e941a1f0d0363ae4439fa98c"},{"type":"EVIDENCE","url":"https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25930"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T00:13:03.568764Z"}}