CVE-2004-0649

Buffer overflow in write_packet in control.c for l2tpd may allow remote attackers to execute arbitrary code.

Published: 2004-08-06 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2004-0649 is rated High Risk (68.6/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 5.48%). High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2004-0649

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 8.13% 5.48% -2.65%
2 2025-03-29 5.48% 8.13% +2.65%
3 2025-03-19 — 5.48% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-0649

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2004-0649

Affected software / configurations for CVE-2004-0649

Vendor Product Version Raw CPE
l2tpd l2tpd 0.62 cpe:2.3:a:l2tpd:l2tpd:0.62:*:*:*:*:*:*:*
l2tpd l2tpd 0.63 cpe:2.3:a:l2tpd:l2tpd:0.63:*:*:*:*:*:*:*
l2tpd l2tpd 0.64 cpe:2.3:a:l2tpd:l2tpd:0.64:*:*:*:*:*:*:*
l2tpd l2tpd 0.65 cpe:2.3:a:l2tpd:l2tpd:0.65:*:*:*:*:*:*:*
l2tpd l2tpd 0.66 cpe:2.3:a:l2tpd:l2tpd:0.66:*:*:*:*:*:*:*
l2tpd l2tpd 0.67 cpe:2.3:a:l2tpd:l2tpd:0.67:*:*:*:*:*:*:*
l2tpd l2tpd 0.68 cpe:2.3:a:l2tpd:l2tpd:0.68:*:*:*:*:*:*:*
l2tpd l2tpd 0.69 cpe:2.3:a:l2tpd:l2tpd:0.69:*:*:*:*:*:*:*
gentoo linux 1.4 cpe:2.3:o:gentoo:linux:1.4:*:*:*:*:*:*:*

References for CVE-2004-0649

cvelogic Threat Intelligence