Vulnerability CVE-2020-12760
Published: 2020-05-11

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.

Type:

CWE-502

 (Deserialization of Untrusted Data)

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.5/10
6.4/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Opennms -> Opennms horizon 
Opennms -> Opennms meridian 

 References:
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/
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