CVE-2006-5873
7.8 · HIGHOverview
CVE-2006-5873 is a high-severity vulnerability affecting l2tpns l2tpns. It was published on December 12, 2006 and has a CVSS 2.0 base score of 7.8 (HIGH).
This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Buffer overflow in the cluster_process_heartbeat function in cluster.c in layer 2 tunneling protocol network server (l2tpns) before 2.1.21 allows remote attackers to cause a denial of service via a large heartbeat packet.
Remediation
Check the references section for vendor advisories and patches from l2tpns. Update l2tpns to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
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References
Frequently Asked Questions
What is CVE-2006-5873?
CVE-2006-5873 is a high-severity vulnerability affecting l2tpns l2tpns. It was published on December 12, 2006 and has a CVSS 2.0 base score of 7.8 (HIGH).
How severe is CVE-2006-5873?
This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2006-5873?
Check the references section for vendor advisories and patches from l2tpns. Update l2tpns to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2006-5873?
CyberStrike's AI-powered security agents can automatically detect CVE-2006-5873 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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