CVE-2023-0846

Unauthenticated, stored XSS in display of alarm reduction-key

CVSS 6.7 MEDIUMEPSS 0.5%CWE-79

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.7EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

22 Feb 2023Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

Affected products

The OpenNMS Group · Horizon The OpenNMS Group · Meridian

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References

https://docs.opennms.com/meridian/2022/releasenotes/changelog.html#releasenotes-changelog-Meridian-2022.1.13 https://github.com/OpenNMS/opennms/pull/5506/files