VulnerabilityModified

CVE-2021-25933

MEDIUM 4.8EPSS 1.04%

Does this matter?

Lower severity and a low EPSS score (1.04%). Track it; it rarely justifies an emergency change on its own.

Description

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.

CVSS 3.1: 4.8 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS: 1.04% probability · 62th percentile
CISA KEV: Not listed
Weakness: CWE-79
Affected: opennms/horizon · opennms/meridian
Source: vulnerabilitylab@mend.io

References

https://github.com/OpenNMS/opennms/commit/8a97e6869d6e49da18b208c837438ace80049c01%2C
https://github.com/OpenNMS/opennms/commit/eb08b5ed4c5548f3e941a1f0d0363ae4439fa98cPatch, Third Party Advisory
https://github.com/OpenNMS/opennms/commit/f3ebfa3da5352b4d57f238b54c6db315ad99f10ePatch, Third Party Advisory
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25933Exploit, Third Party Advisory
https://github.com/OpenNMS/opennms/commit/8a97e6869d6e49da18b208c837438ace80049c01%2C
https://github.com/OpenNMS/opennms/commit/eb08b5ed4c5548f3e941a1f0d0363ae4439fa98cPatch, Third Party Advisory
https://github.com/OpenNMS/opennms/commit/f3ebfa3da5352b4d57f238b54c6db315ad99f10ePatch, Third Party Advisory
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25933Exploit, Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.