Opennms
Products
4- 30 CVEs
- 28 CVEs
- 15 CVEs
- 1 CVE
Recent CVEs
39| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2021-3396 | Hig | 0.57 | 8.8 | 0.02 | Feb 17, 2021 | 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. | ||
| CVE-2020-11886 | Hig | 0.53 | 8.1 | 0.01 | Apr 17, 2020 | OpenNMS Horizon and Meridian allows HQL Injection in element/nodeList.htm (aka the NodeListController) via snmpParm or snmpParmValue to addCriteriaForSnmpParm. This affects Horizon before 25.2.1, Meridian 2019 before 2019.1.4, Meridian 2018 before 2018.1.16, and Meridian 2017… | ||
| CVE-2023-0872 | Hig | 0.50 | 8.2 | 0.03 | Aug 14, 2023 | The Horizon REST API includes a users endpoint in OpenMNS Horizon 31.0.8 and versions earlier than 32.0.2 on multiple platforms is vulnerable to elevation of privilege. The solution is to upgrade to Meridian 2023.1.6, 2022.1.19, 2021.1.30, 2020.1.38 or Horizon 32.0.2 or newer.… | ||
| CVE-2021-25931 | Hig | 0.50 | 8.8 | 0.01 | May 20, 2021 | 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… | ||
| CVE-2020-12760 | Hig | 0.50 | 8.8 | 0.03 | May 11, 2020 | An issue was discovered in OpenNMS Horizon before 26.0.1, and Meridian before 2018.1.19 and 2019 before 2019.1.7. The ActiveMQ channel configuration allowed for arbitrary deserialization of Java objects (aka ActiveMQ Minion payload deserialization), leading to remote code… | ||
| CVE-2026-89054 | Hig | 0.46 | 8.2 | 0.01 | Sep 10, 2026 | A missing authorization vulnerability in OpenNMS Horizon allows configuration changes without authentication. The Spring Security policy for the /api/v2 REST API defines authorization rules for every HTTP method except PATCH, so the shipped @PATCH configuration endpoints for… | ||
| CVE-2023-0870 | Hig | 0.46 | 8.1 | 0.00 | Mar 22, 2023 | A form can be manipulated with cross-site request forgery in multiple versions of OpenNMS Meridian and Horizon. This can potentially allow an attacker to gain access to confidential information and compromise integrity. The solution is to upgrade to Meridian 2023.1.1 or Horizon… | ||
| CVE-2016-6556 | Hig | 0.46 | 7.1 | 0.01 | Sep 24, 2021 | OpenNMS version 18.0.1 and prior are vulnerable to a stored XSS issue due to insufficient filtering of SNMP agent supplied data. By creating a malicious SNMP 'sysName' or 'sysContact' response, an attacker can store an XSS payload which will trigger when a user of the web UI… | ||
| CVE-2016-6555 | Hig | 0.46 | 7.1 | 0.01 | Sep 24, 2021 | OpenNMS version 18.0.1 and prior are vulnerable to a stored XSS issue due to insufficient filtering of SNMP trap supplied data. By creating a malicious SNMP trap, an attacker can store an XSS payload which will trigger when a user of the web UI views the events list page. This… | ||
| CVE-2025-53122 | Med | 0.45 | — | 0.00 | Jun 26, 2025 | Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in OpenNMS Horizon and Meridian applications allows SQL Injection. Users should upgrade to Meridian 2024.2.6 or newer, or Horizon 33.16 or newer. Meridian and Horizon… | ||
| CVE-2025-53121 | Med | 0.45 | — | 0.00 | Jun 26, 2025 | Multiple stored XSS were found on different nodes with unsanitized parameters in OpenMNS Horizon 33.0.8 and versions earlier than 33.1.6 on multiple platforms that allow an attacker to store on database and then inject HTML and/or Javascript on the page. The solution is to… | ||
| CVE-2023-40313 | Hig | 0.39 | 7.1 | 0.01 | Aug 17, 2023 | A BeanShell interpreter in remote server mode runs in OpenMNS Horizon versions earlier than 32.0.2 and in related Meridian versions which could allow arbitrary remote Java code execution. The solution is to upgrade to Meridian 2023.1.6, 2022.1.19, 2021.1.30, 2020.1.38 or Horizon… | ||
| CVE-2023-40312 | Med | 0.37 | 6.7 | 0.01 | Aug 14, 2023 | Multiple reflected XSS were found on different JSP files with unsanitized parameters in OpenMNS Horizon 31.0.8 and versions earlier than 32.0.2 on multiple platforms that an attacker can modify to craft a malicious XSS payload. The solution is to upgrade to Meridian 2023.1.6,… | ||
| CVE-2023-40311 | Med | 0.37 | 6.7 | 0.01 | Aug 14, 2023 | Multiple stored XSS were found on different JSP files with unsanitized parameters in OpenMNS Horizon 31.0.8 and versions earlier than 32.0.2 on multiple platforms that allow an attacker to store on database and then load on JSPs or Angular templates. The solution is to upgrade… | ||
| CVE-2023-0868 | Med | 0.37 | 6.7 | 0.00 | Feb 23, 2023 | Reflected cross-site scripting in graph results in multiple versions of OpenNMS Meridian and Horizon could allow an attacker access to steal session cookies. Users should upgrade to Meridian 2023.1.0 or newer, or Horizon 31.0.4. Meridian and Horizon installation instructions… | ||
| CVE-2023-0867 | Med | 0.37 | 6.7 | 0.00 | Feb 23, 2023 | Multiple stored and reflected cross-site scripting vulnerabilities in webapp jsp pages in multiple versions of OpenNMS Meridian and Horizon could allow an attacker access to confidential session information. Users should upgrade to Meridian 2023.1.0 or newer, or Horizon 31.0.4.… | ||
| CVE-2023-0815 | Med | 0.37 | 6.8 | 0.01 | Feb 23, 2023 | Potential Insertion of Sensitive Information into Jetty Log Files in multiple versions of OpenNMS Meridian and Horizon could allow disclosure of usernames and passwords if the logging level is set to debug. Users should upgrade to Meridian 2023.1.0 or newer, or Horizon 31.0.4.… | ||
| CVE-2023-0846 | Med | 0.37 | 6.7 | 0.00 | Feb 22, 2023 | Unauthenticated, stored cross-site scripting in the display of alarm reduction keys in multiple versions of OpenNMS Horizon and Meridian could allow an attacker access to confidential session information. Users should upgrade to Meridian 2023.1.0 or newer, or Horizon 31.0.4.… | ||
| CVE-2020-1652 | Med | 0.36 | 5.6 | 0.01 | Jul 17, 2020 | OpenNMS is accessible via port 9443 | ||
| CVE-2026-89089 | Med | 0.35 | 6.5 | 0.00 | Sep 10, 2026 | A SQL injection vulnerability exists in the JasperReports-based reporting feature of multiple versions of OpenNMS Meridian and Horizon. A low-privileged authenticated user (ROLE_USER) can run the shipped, default-enabled online reports "Maintenance contracts expired"… |
- risk 0.57cvss 8.8epss 0.02
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.
- risk 0.53cvss 8.1epss 0.01
OpenNMS Horizon and Meridian allows HQL Injection in element/nodeList.htm (aka the NodeListController) via snmpParm or snmpParmValue to addCriteriaForSnmpParm. This affects Horizon before 25.2.1, Meridian 2019 before 2019.1.4, Meridian 2018 before 2018.1.16, and Meridian 2017…
- risk 0.50cvss 8.2epss 0.03
The Horizon REST API includes a users endpoint in OpenMNS Horizon 31.0.8 and versions earlier than 32.0.2 on multiple platforms is vulnerable to elevation of privilege. The solution is to upgrade to Meridian 2023.1.6, 2022.1.19, 2021.1.30, 2020.1.38 or Horizon 32.0.2 or newer.…
- risk 0.50cvss 8.8epss 0.01
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…
- risk 0.50cvss 8.8epss 0.03
An issue was discovered in OpenNMS Horizon before 26.0.1, and Meridian before 2018.1.19 and 2019 before 2019.1.7. The ActiveMQ channel configuration allowed for arbitrary deserialization of Java objects (aka ActiveMQ Minion payload deserialization), leading to remote code…
- risk 0.46cvss 8.2epss 0.01
A missing authorization vulnerability in OpenNMS Horizon allows configuration changes without authentication. The Spring Security policy for the /api/v2 REST API defines authorization rules for every HTTP method except PATCH, so the shipped @PATCH configuration endpoints for…
- risk 0.46cvss 8.1epss 0.00
A form can be manipulated with cross-site request forgery in multiple versions of OpenNMS Meridian and Horizon. This can potentially allow an attacker to gain access to confidential information and compromise integrity. The solution is to upgrade to Meridian 2023.1.1 or Horizon…
- risk 0.46cvss 7.1epss 0.01
OpenNMS version 18.0.1 and prior are vulnerable to a stored XSS issue due to insufficient filtering of SNMP agent supplied data. By creating a malicious SNMP 'sysName' or 'sysContact' response, an attacker can store an XSS payload which will trigger when a user of the web UI…
- risk 0.46cvss 7.1epss 0.01
OpenNMS version 18.0.1 and prior are vulnerable to a stored XSS issue due to insufficient filtering of SNMP trap supplied data. By creating a malicious SNMP trap, an attacker can store an XSS payload which will trigger when a user of the web UI views the events list page. This…
- risk 0.45cvss —epss 0.00
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in OpenNMS Horizon and Meridian applications allows SQL Injection. Users should upgrade to Meridian 2024.2.6 or newer, or Horizon 33.16 or newer. Meridian and Horizon…
- risk 0.45cvss —epss 0.00
Multiple stored XSS were found on different nodes with unsanitized parameters in OpenMNS Horizon 33.0.8 and versions earlier than 33.1.6 on multiple platforms that allow an attacker to store on database and then inject HTML and/or Javascript on the page. The solution is to…
- risk 0.39cvss 7.1epss 0.01
A BeanShell interpreter in remote server mode runs in OpenMNS Horizon versions earlier than 32.0.2 and in related Meridian versions which could allow arbitrary remote Java code execution. The solution is to upgrade to Meridian 2023.1.6, 2022.1.19, 2021.1.30, 2020.1.38 or Horizon…
- risk 0.37cvss 6.7epss 0.01
Multiple reflected XSS were found on different JSP files with unsanitized parameters in OpenMNS Horizon 31.0.8 and versions earlier than 32.0.2 on multiple platforms that an attacker can modify to craft a malicious XSS payload. The solution is to upgrade to Meridian 2023.1.6,…
- risk 0.37cvss 6.7epss 0.01
Multiple stored XSS were found on different JSP files with unsanitized parameters in OpenMNS Horizon 31.0.8 and versions earlier than 32.0.2 on multiple platforms that allow an attacker to store on database and then load on JSPs or Angular templates. The solution is to upgrade…
- risk 0.37cvss 6.7epss 0.00
Reflected cross-site scripting in graph results in multiple versions of OpenNMS Meridian and Horizon could allow an attacker access to steal session cookies. Users should upgrade to Meridian 2023.1.0 or newer, or Horizon 31.0.4. Meridian and Horizon installation instructions…
- risk 0.37cvss 6.7epss 0.00
Multiple stored and reflected cross-site scripting vulnerabilities in webapp jsp pages in multiple versions of OpenNMS Meridian and Horizon could allow an attacker access to confidential session information. Users should upgrade to Meridian 2023.1.0 or newer, or Horizon 31.0.4.…
- risk 0.37cvss 6.8epss 0.01
Potential Insertion of Sensitive Information into Jetty Log Files in multiple versions of OpenNMS Meridian and Horizon could allow disclosure of usernames and passwords if the logging level is set to debug. Users should upgrade to Meridian 2023.1.0 or newer, or Horizon 31.0.4.…
- risk 0.37cvss 6.7epss 0.00
Unauthenticated, stored cross-site scripting in the display of alarm reduction keys in multiple versions of OpenNMS Horizon and Meridian could allow an attacker access to confidential session information. Users should upgrade to Meridian 2023.1.0 or newer, or Horizon 31.0.4.…
- risk 0.36cvss 5.6epss 0.01
OpenNMS is accessible via port 9443
- risk 0.35cvss 6.5epss 0.00
A SQL injection vulnerability exists in the JasperReports-based reporting feature of multiple versions of OpenNMS Meridian and Horizon. A low-privileged authenticated user (ROLE_USER) can run the shipped, default-enabled online reports "Maintenance contracts expired"…