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CVE-2023-0872

37
FAUCET Score

CVE-2023-0872 is an elevation of privilege vulnerability affecting the Horizon REST API's users endpoint in OpenNMS Horizon versions 31.0.8 and earlier, and versions prior to 32.0.2. This vulnerability has a CVSS score of 8.0 (High), indicating a significant risk. The attack vector is adjacent network, with low attack complexity, requiring low privileges, and can lead to high impact on confidentiality, integrity, and availability. While not currently in CISA's KEV catalog, there is a Metasploit module available for exploitation, but there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
>= 31.0.8, < 32.0.2CPE matchmatch criteria
cpe:2.3:a:opennms:horizon:*:*:*:*:*:*:*:*
>= 2020.0.0, <= 2020.1.37CPE matchmatch criteria
cpe:2.3:a:opennms:meridian:*:*:*:*:*:*:*:*
>= 2021.0.0, <= 2021.1.29CPE matchmatch criteria
cpe:2.3:a:opennms:meridian:*:*:*:*:*:*:*:*
>= 2022.0.0, <= 2022.1.18CPE matchmatch criteria
cpe:2.3:a:opennms:meridian:*:*:*:*:*:*:*:*
>= 2023.0.0, <= 2023.1.5CPE matchmatch criteria
cpe:2.3:a:opennms:meridian:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.2HIGH

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
HIGH
Availability Impact
LOW
Exploitability Score
2.3
Impact Score
5.3
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.95%
Probability of exploitation in next 30 days
EPSS Percentile
85.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Metasploit: OpenNMS Horizon Authenticated RCE · Jul 1, 2023
This CVE's current EPSS score of 0.0295 is in the 89th percentile among its peer group of 551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: org.opennms:opennms-webapp-restFixed in: 32.0.2

Vendor Advisories (1)

mavenGHSA-w5gq-xrrp-3fxfhigh

OpenNMS privilege elevation vulnerability

Aug 14, 2023

References

docs.opennms.com / horizon/32/releasenotes/changelog.html
Release Notes
github.com / OpenNMS/opennms/pull/6354
Patch