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CVE

CVE-2021-3396

OpenNMS Meridian 2016, 2017, 2018 before 2018.1.25, 2019 before 2019.1.16, and 2020 before 2020.1.5, Horizon 1.2 through

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.

HIGH · CVSS 8.8 EPSS 0.02431
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
▤

Affected Products & Versions

7
opennms horizon>= 16.0.0 and <= 27.0.3
opennms meridian>= 2016.1.0 and <= 2016.1.24
opennms meridian>= 2017.1.0 and <= 2017.1.26
opennms meridian>= 2018.1.0 and < 2018.1.25
opennms meridian>= 2019.1.0 and < 2019.1.16
opennms meridian>= 2020.1.0 and < 2020.1.5
opennms newts< 1.5.3
▤

Affected Packages

4
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven org.opennms.features:org.opennms.features.measurements HIGH fixed in 27.0.4
Maven org.opennms:opennms HIGH fixed in 27.0.4
Maven org.opennms:opennms-provision HIGH fixed in 27.0.4
Maven org.opennms:opennms-util HIGH fixed in 27.0.4
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 Feb 2021 · 09:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.opennms.comVendor Advisory
https://www.opennms.com/en/blog/2021-02-16-cve-2021-3396-full-security-disclosure/Vendor Advisory
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