CVE-2016-6556: opennms Cross-site Scripting
Vulnerability summary
CVE-2016-6556 is a high (CVSS 7.1) Cross-site Scripting vulnerability in opennms. EPSS estimates a 0.84% chance of exploitation in the next 30 days, higher than 57.3% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 15-06-2022PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
OpenNMS version 18.0.1 and prior are vulnerable to a stored XSS issue due to insufficient filtering of SNMP agent supplied data. By creating a malicious SNMP 'sysName' or 'sysContact' response, an attacker can store an XSS payload which will trigger when a user of the web UI views the data. This issue was fixed in version 18.0.2, released on September 20, 2016.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.84%
Chance of exploitation in the next 30 days
Percentile
57%
Versus all other CVEs
30-day change
0.00 pp
From 0.84% on 22-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (rapid7.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Opennms1 product
- opennms18.0.1 | < 18.0.2-1
1 vendor · 1 product