CVE-2021-25930

low-risk
Published 2021-05-20

In OpenNMS Horizon, versions opennms-1-0-stable through opennms-27.1.0-1; 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, and since there is no validation of an existing user name while renaming a user. As a result, privileges of the renamed user are being overwritten by the old user and the old user is being deleted from the user list.

Do I need to act?

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0.15% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.3/10 Medium
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Opennms

References (6)

Patch https://github.com/OpenNMS/opennms/commit/607151ea8f90212a3fb37c977fa57c7d58d26a...
Patch https://github.com/OpenNMS/opennms/commit/eb08b5ed4c5548f3e941a1f0d0363ae4439fa9...
Exploit https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25930
Patch https://github.com/OpenNMS/opennms/commit/607151ea8f90212a3fb37c977fa57c7d58d26a...
Patch https://github.com/OpenNMS/opennms/commit/eb08b5ed4c5548f3e941a1f0d0363ae4439fa9...
Exploit https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25930
26
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 7/34 · Low