XSS in Opennms Horizon
CVE-2023-0868
Reflected cross-site scripting in graph results in multiple versions of OpenNMS Meridian and Horizon could allow an attacker access to steal session cookies. 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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.004 (35.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 35.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Opennms Horizon
- Opennms Meridian
- The Opennms Group Horizon — versions 29.0.0
- The Opennms Group Meridian — versions 2022.1.0
Weakness classification (CWE)
References
- github.com/OpenNMS/opennms/pull/5740 (Patch, Vendor Advisory)
- docs.opennms.com/meridian/2022/releasenotes/changelog.html (Release Notes)
Frequently asked questions
- What is CVE-2023-0868?
- CVE-2023-0868 is a medium-severity vulnerability in Opennms Horizon, classified under Improper Input Validation. CVSS score: 6.7/10. Published 2023-02-23.
- How severe is CVE-2023-0868?
- Medium severity. CVSS v3 base score is 6.7 out of 10.