XSS in Opennms Horizon
CVE-2021-25935
In OpenNMS Horizon, versions opennms-17.0.0-1 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-2020.1.7-1 are vulnerable to Stored Cross-Site Scripting, since the function `add()` performs improper validation checks on the input sent to the `foreign-source` parameter. Due to this flaw an attacker could bypass the existing regex validation and inject an arbitrary script which will be stored in the database.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.009 (58.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Opennms Horizon
- Opennms Meridian
- Opennms — versions opennms-17.0.0-1 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-2020.1.7-1
Weakness classification (CWE)
References
- github.com/OpenNMS/opennms/commit/eb08b5ed4c5548f3e941a1f0d0363ae4439fa98c (Patch, Third Party Advisory)
- www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25935 (Exploit, Third Party Advisory)
- github.com/OpenNMS/opennms/commit/101e3aa06ec9a1f8f266335fc6f5685c062c6117 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-25935?
- CVE-2021-25935 is a medium-severity vulnerability in Opennms Horizon, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-05-25.
- How severe is CVE-2021-25935?
- Medium severity. CVSS v3 base score is 5.4 out of 10.