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    CVE-2023-0872

    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. Meridian and Horizon installation instructions state that they are intended for installation within an organization's private networks and should not be directly accessible from the Internet. OpenNMS thanks Erik Wynter for reporting this issue.

    Published:Aug 14, 2023
    Last Modified:Nov 21, 2024
    EPS:Aug 14, 2023
    EPSS Score:0.03064
    CVSS Score:8.2

    Affected Products

    Vendor
    Opennms
    Product
    Horizon
    Vendor
    Opennms
    Product
    Meridian

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-269 Improper Privilege Management

    Related CVEs

    CVE-2026-19182 (CVSS 4.3) — An incorrect authorization check in the v2 Alarm REST API in OpenNMS Meridian and Horizon allows a low-privile…
    CVE-2026-19135 (CVSS 5.4) — A JEXL expression sandbox bypass exists in multiple versions of OpenNMS Meridian and Horizon. A low-privileged…
    CVE-2023-40314 (CVSS 5.8) — Cross-site scripting in bootstrap.jsp in multiple versions of OpenNMS Meridian and Horizon allows an attack…
    CVE-2023-40612 (CVSS 5.3) — In OpenMNS Horizon 31.0.8 and versions earlier than 32.0.2, the file editor which is accessible to any user wi…
    CVE-2023-40315 (CVSS 5.3) — In OpenMNS Horizon 31.0.8 and versions earlier than 32.0.2 and related Meridian versions, any user that has th…
    CVE-2023-40313 (CVSS 7.1) — A BeanShell interpreter in remote server mode runs in OpenMNS Horizon versions earlier than 32.0.2 and in rela…
    CVE-2023-40312 (CVSS 6.7) — Multiple reflected XSS were found on different JSP files with unsanitized parameters in OpenMNS Horizon 31.0.8…
    CVE-2023-40311 (CVSS 6.7) — Multiple stored XSS were found on different JSP files with unsanitized parameters in OpenMNS Horizon 31.0.8 an…
    CVE-2023-0871 (CVSS 5.4) — XXE injection in /rtc/post/ endpoint in OpenMNS Horizon 31.0.8 and versions earlier than 32.0.2 on multiple pl…
    CVE-2023-0870 (CVSS 8.1) — A form can be manipulated with cross-site request forgery in multiple versions of OpenNMS Meridian and Horizon…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High