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 thanksErik Wynter for reporting this issue.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.2 HIGH
ADJACENT_NETWORK
LOW
LOW
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L
OpenNMSCNA
8.2 HIGH
ADJACENT_NETWORK
LOW
LOW
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L
CVEADP
---
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CISA-ADPADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 84%
VendorProductVersion
opennmshorizon
31.0.8 ≤
𝑥
< 32.0.2
opennmsmeridian
2020.0.0 ≤
𝑥
≤ 2020.1.37
opennmsmeridian
2021.0.0 ≤
𝑥
≤ 2021.1.29
opennmsmeridian
2022.0.0 ≤
𝑥
≤ 2022.1.18
opennmsmeridian
2023.0.0 ≤
𝑥
≤ 2023.1.5
𝑥
= Vulnerable software versions