6.7

CVE-2023-0846: opennms horizon Cross-site Scripting

CVSS: 6.7v3.1MediumModified
AliasesGHSA-79jr-8fhm-8wv3
Published 22-02-2023Last modified 02-08-2024
Open JSON

Vulnerability summary

CVE-2023-0846 is a medium (CVSS 6.7) Cross-site Scripting vulnerability in opennms horizon. EPSS estimates a 0.49% chance of exploitation in the next 30 days, higher than 41.3% of scored vulnerabilities.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.7/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.49%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 22-02-2023
    PublishedVulnerability first disclosed.
  2. 02-08-2024
    Last modifiedVulnerability information updated.

Description

Unauthenticated, stored cross-site scripting in the display of alarm reduction keys in multiple versions of OpenNMS Horizon and Meridian could allow an attacker access to confidential session information. Users should upgrade to Meridian 2023.1.0 or newer, or Horizon 31.0.4. 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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.49%

Chance of exploitation in the next 30 days

Percentile

41%

Versus all other CVEs

30-day change

0.00 pp

From 0.49% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.49%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Opennms2 products
The opennms group2 products
  • horizon≥ 26.1.0, < 31.0.4
  • meridian≥ 2020.1.0, < 2020.1.32 | ≥ 2021.1.0, < 2021.1.24 | ≥ 2022.1.0, < 2022.1.13
Org.opennms1 product
  • opennms< 31.0.3

3 vendors · 5 products

References

5 links