XSS in Opennms Horizon
CVE-2021-25929
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 there is no validation on the input being sent to the `name` parameter in `noticeWizard` endpoint. Due to this flaw an authenticated attacker could inject arbitrary script and trick other admin users into downloading malicious files.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.010 (62.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Opennms Horizon
- Opennms Meridian
- 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
- github.com/OpenNMS/opennms/commit/eb08b5ed4c5548f3e941a1f0d0363ae4439fa98c (Patch, Third Party Advisory)
- www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25929 (Exploit, Third Party Advisory)
- github.com/OpenNMS/opennms/commit/66c1f626bf38a7d1a9530b4d68598269ee5245a2 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-25929?
- CVE-2021-25929 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-2021-25929?
- Medium severity. CVSS v3 base score is 4.8 out of 10.