XSS in Opennms Horizon
CVE-2021-25933
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 `groupName` and `groupComment` parameters. Due to this flaw, an authenticated attacker could inject arbitrary script and trick other admin users into downloading malicious files which can cause severe damage to the organization using opennms.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.010 (60.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Opennms Horizon
- Opennms Meridian
- 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
- vulnerabilitylab@mend.io (Patch, Third Party Advisory, x_refsource_MISC)
- vulnerabilitylab@mend.io (Patch, Third Party Advisory, x_refsource_MISC)
- vulnerabilitylab@mend.io (Exploit, Third Party Advisory, x_refsource_MISC)
- vulnerabilitylab@mend.io (x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-25933?
- CVE-2021-25933 is a medium-severity vulnerability in Opennms Horizon, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-05-20.
- How severe is CVE-2021-25933?
- Medium severity. CVSS v3 base score is 4.8 out of 10.