CVE-2006-5873 describes a buffer overflow vulnerability in the cluster_process_heartbeat function of the l2tpns (Layer 2 Tunneling Protocol Network Server) software, specifically affecting versions prior to 2.1.21. This flaw allows remote attackers to trigger a denial of service by sending a large heartbeat packet. With a CVSS score of 7.8, it is considered high severity due to its network-based attack vector, low attack complexity, and complete availability impact. There is no evidence of active exploitation, nor are there known public exploits in Metasploit, Nuclei, or ExploitDB, and it has received minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.1CPE matchmatch criteria | cpe:2.3:a:l2tpns:l2tpns:1.1:*:*:*:*:*:*:* | ||
2.0.13CPE matchmatch criteria | cpe:2.3:a:l2tpns:l2tpns:2.0.13:*:*:*:*:*:*:* | ||
2.1CPE matchmatch criteria | cpe:2.3:a:l2tpns:l2tpns:2.1:*:*:*:*:*:*:* | ||
3.1CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:3.1:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.