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osvGoogleOSV:CVE-2023-0872
HistoryAug 14, 2023 - 6:15 p.m.

CVE-2023-0872

2023-08-1418:15:10
Google
osv.dev
2
horizon rest api
openmns
elevation of privilege
upgrade
meridian
installation
private network

8.2 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

HIGH

Availability Impact

LOW

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L

7 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.1%

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.Β 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 thanksΒ Erik Wynter for reporting this issue.

8.2 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

HIGH

Availability Impact

LOW

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L

7 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.1%