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CVE-2004-0649

32
FAUCET Score

CVE-2004-0649 describes a critical buffer overflow vulnerability in the write_packet function of control.c within l2tpd, affecting various l2tpd and Gentoo Linux distributions. This flaw allows unauthenticated remote attackers to execute arbitrary code with maximum impact on confidentiality, integrity, and availability, as indicated by its CVSS score of 10.0. Despite its age and high severity, there is no evidence of active exploitation, and public exploit code (Metasploit, Nuclei, ExploitDB) is unavailable. However, the vulnerability has garnered significant community discussion, with 10 mentions, suggesting continued awareness.

Impacted Technologies

VendorProductVersion(s)CPE
0.62CPE matchmatch criteria
cpe:2.3:a:l2tpd:l2tpd:0.62:*:*:*:*:*:*:*
0.63CPE matchmatch criteria
cpe:2.3:a:l2tpd:l2tpd:0.63:*:*:*:*:*:*:*
0.64CPE matchmatch criteria
cpe:2.3:a:l2tpd:l2tpd:0.64:*:*:*:*:*:*:*
0.65CPE matchmatch criteria
cpe:2.3:a:l2tpd:l2tpd:0.65:*:*:*:*:*:*:*
0.66CPE matchmatch criteria
cpe:2.3:a:l2tpd:l2tpd:0.66:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.17%
Probability of exploitation in next 30 days
EPSS Percentile
91.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0517 is in the 85th percentile among its peer group of 51,506 CVEs.

Social Chatter

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.

Media 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.

Remediation

Patch Available

Vendor Patches (2)

debianpatch availablevia nvd_reference
View patch
gentoovendor investigatingvia nvd_reference
View patch

References

marc.info
security.gentoo.org / glsa/glsa-200407-17.xml
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/16326
debian.org / security/2004/dsa-530
PatchVendor Advisory