CVE-2021-25931

Description

In OpenNMS Horizon, versions opennms-1-0-stable through opennms-27.1.1; OpenNMS Meridian, versions meridian-foundation-2015.1.0-1 through meridian-foundation-2019.1.18-1; meridian-foundation-2020.1.0-1 through meridian-foundation-2020.1.6-1 are vulnerable to CSRF, due to no CSRF protection at `/opennms/admin/userGroupView/users/updateUser`. This flaw allows assigning `ROLE_ADMIN` security role to a normal user. Using this flaw, an attacker can trick the admin user to assign administrator privileges to a normal user by enticing him to click upon an attacker-controlled website.

How to fix CVE-2021-25931

To remediate CVE-2021-25931, upgrade the affected package to a fixed version below.

• —upgrade to 27.1.1 or later

Is CVE-2021-25931 being exploited?

Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.

Affected packages (1)

• >= 1.0.0, < 27.1.1

CVSS scores

References (5)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2021-25931
• PATCHgithub.com/OpenNMS/opennms
• WEBgithub.com/OpenNMS/opennms/commit/607151ea8f90212a3fb37c977fa57c7d58d26a84
• WEBgithub.com/OpenNMS/opennms/commit/eb08b5ed4c5548f3e941a1f0d0363ae4439fa98c