CVE-2020-12760

—

CVSS 3.1

8.8 high

EPSS

3%p88

Published

May 11, 2020 (May 11, 2020)

Modified

Jun 17, 2026

Description

An issue was discovered in OpenNMS Horizon before 26.0.1, and Meridian before 2018.1.19 and 2019 before 2019.1.7. The ActiveMQ channel configuration allowed for arbitrary deserialization of Java objects (aka ActiveMQ Minion payload deserialization), leading to remote code execution for any authenticated channel user regardless of its assigned permissions.

Vendors: opennms
Products: opennms horizon, opennms meridian
Weakness: CWE-502
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (3.5%)

In the news0 stories

No ingested article mentions this CVE yet.