{"cve":"CVE-2021-3396","nvd":{"published":"2021-02-17T21:15:13.120","modified":"2026-06-17T04:05:01.410","status":"Modified","description":"OpenNMS Meridian 2016, 2017, 2018 before 2018.1.25, 2019 before 2019.1.16, and 2020 before 2020.1.5, Horizon 1.2 through 27.0.4, and Newts <1.5.3 has Incorrect Access Control, which allows local and remote code execution using JEXL expressions.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":[],"references":["https://www.opennms.com","https://www.opennms.com/en/blog/2021-02-16-cve-2021-3396-full-security-disclosure/","https://www.opennms.com","https://www.opennms.com/en/blog/2021-02-16-cve-2021-3396-full-security-disclosure/"],"products":["opennms:horizon","opennms:meridian","opennms:newts"],"source":"nvd","synced_at":"2026-10-19T21:15:50.279857260+00:00"},"epss":{"cve":"CVE-2021-3396","score":0.02365,"percentile":0.838,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-c3mp-9vx3-2rvv","url":"https://osv.dev/vulnerability/GHSA-c3mp-9vx3-2rvv","summary":"OpenNMS Horizon RCE via JEXL2 expression","modified":"2023-11-08T04:06:06.781320Z","packages":[{"ecosystem":"Maven","name":"org.opennms:opennms","purl":"pkg:maven/org.opennms/opennms","ranges":[">=16.0.0 <27.0.4"],"fixed":["27.0.4"]},{"ecosystem":"Maven","name":"org.opennms.features:org.opennms.features.measurements","purl":"pkg:maven/org.opennms.features/org.opennms.features.measurements","ranges":[">=16.0.0 <27.0.4"],"fixed":["27.0.4"]},{"ecosystem":"Maven","name":"org.opennms:opennms-provision","purl":"pkg:maven/org.opennms/opennms-provision","ranges":[">=16.0.0 <27.0.4"],"fixed":["27.0.4"]},{"ecosystem":"Maven","name":"org.opennms:opennms-util","purl":"pkg:maven/org.opennms/opennms-util","ranges":[">=16.0.0 <27.0.4"],"fixed":["27.0.4"]}]}],"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."]}