What is CVE-2016-6556?

CVE-2016-6556 is a high-severity vulnerability in Opennms, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2021-09-24.

How severe is CVE-2016-6556?

High severity. CVSS v3 base score is 7.1 out of 10.

XSS in Opennms

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.008 (52.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N.

Affected products

Opennms — versions 18.0.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@rapid7.com (Exploit, Third Party Advisory, x_refsource_MISC)
cve@rapid7.com (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2016-6556?: CVE-2016-6556 is a high-severity vulnerability in Opennms, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2021-09-24.
How severe is CVE-2016-6556?: High severity. CVSS v3 base score is 7.1 out of 10.