Vulnerability Database

310,472

Total vulnerabilities in the database

CVE-2016-6556

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.

  • Published: Sep 24, 2021
  • Updated: Nov 9, 2025
  • CVE: CVE-2016-6556
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.1
  • AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

CVSS v2:

  • Severity: Low
  • Score: 4.3
  • AV:N/AC:M/Au:N/C:N/I:P/A:N

CWEs:

OWASP TOP 10:

Software From Fixed in
opennms / opennms - 18.0.2-1