CVE-2023-0871 Vulnerability Details

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CVE-2023-0871 Metadata Quick Info

CVE Published: 11/08/2023 | CVE Updated: 01/10/2024 | CVE Year: 2023
Source: OpenNMS | Vendor: The OpenNMS Group | Product: Horizon
Status : PUBLISHED

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CVE-2023-0871 Description

XXE injection in /rtc/post/ endpoint in OpenMNS Horizon 31.0.8 and versions earlier than 32.0.2 on multiple platforms is vulnerable to XML external entity (XXE) injection, which can be used for instance to force Horizon to make arbitrary HTTP requests to internal and external services. 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 and Moshe Apelbaum for reporting this issue.

Metrics

CVSS Version: 3.1 | Base Score: 5.4 MEDIUM
Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:L

l➤ Exploitability Metrics:
    Attack Vector (AV)* ADJACENT_NETWORK
    Attack Complexity (AC)* LOW
    Privileges Required (PR)* LOW
    User Interaction (UI)* NONE
    Scope (S)* CHANGED

l➤ Impact Metrics:
    Confidentiality Impact (C)* LOW
    Integrity Impact (I)* NONE
    Availability Impact (A)* LOW

Weakness Enumeration (CWE)

CWE-ID: CWE-611
CWE Name: CWE-611 Improper Restriction of XML External Entity Reference
Source: The OpenNMS Group

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID: CAPEC-201
CAPEC Description: CAPEC-201 XML Entity Linking


Source: NVD (National Vulnerability Database).