Advisory Published

CVE-2016-6556: XSS

First published: Fri Sep 24 2021(Updated: )

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.

Credit: cve@rapid7.con

Affected SoftwareAffected VersionHow to fix
Opennms Opennms<18.0.2-1

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Frequently Asked Questions

  • What is the vulnerability ID for this issue?

    The vulnerability ID for this issue is CVE-2016-6556.

  • What is the severity level of CVE-2016-6556?

    The severity level of CVE-2016-6556 is high (6.1).

  • What is the cause of the vulnerability?

    The vulnerability is caused by insufficient filtering of SNMP agent supplied data in OpenNMS version 18.0.1 and prior.

  • How can an attacker exploit this vulnerability?

    An attacker can exploit this vulnerability by creating a malicious SNMP 'sysName' or 'sysContact' response that contains an XSS payload.

  • Are there any references for this vulnerability?

    Yes, you can find references for this vulnerability at the following links: [link1], [link2].


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