CVE-2020-12760 Information

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.

CVSS Vector

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

Reference

https://github.com/OpenNMS/opennms/releases/tag/opennms-26.0.1-1 https://issues.opennms.org/browse/NMS-12673 https://www.opennms.com/en/blog/2020-04-29-opennms-horizon-26-0-1-luchador-released/ https://www.opennms.com/en/blog/2020-04-29-opennms-meridian-2018-1-18-wildfire-released/ https://www.opennms.com/en/blog/2020-04-29-opennms-meridian-2019-1-6-europa-released/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8