XSS in Opennms Meridian

CVE-2021-25932

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 Stored Cross-Site Scripting, since the function `validateFormInput()` performs improper validation checks on the input sent to the `userID` parameter. Due to this flaw an attacker could inject an arbitrary script which will be stored in the database.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.009 (56.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

  • Opennms Meridian
  • Opennms
  • N/a Opennms — versions opennms-1-0-stable,opennms-1.0.1 through opennms-27.1.0-1,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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-25932?
CVE-2021-25932 is a medium-severity vulnerability in Opennms Meridian, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-06-01.
How severe is CVE-2021-25932?
Medium severity. CVSS v3 base score is 5.4 out of 10.