CVE-2015-7856: Opennms

High severity, CVSS 10.0. EPSS: 2.4% chance of exploitation in the next 30 days.

OpenNMS has a default password of rtc for the rtc account, which makes it easier for remote attackers to obtain access by leveraging knowledge of the credentials.

Affected products

• Opennms Opennms: affected versions not specified

Published 2015-10-16. Last modified 2026-06-17.