CVE-2004-0649

CVE-2004-0649 is a critical-severity vulnerability in L2tpd with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

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

Frequently asked questions

What is CVE-2004-0649?
Buffer overflow in write_packet in control.c for l2tpd may allow remote attackers to execute arbitrary code.
How severe is CVE-2004-0649?
CVE-2004-0649 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2004-0649 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0649?
CVE-2004-0649 primarily affects L2tpd. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-0649?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2004-0649 published?
CVE-2004-0649 was published on 2004-08-06 and last updated on 2026-06-16.

References

Affected products (9)

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