CVE-2003-0001

CVE-2003-0001 is a medium-severity vulnerability in Freebsd with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 73% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-200.

Key facts

Description

Multiple ethernet Network Interface Card (NIC) device drivers do not pad frames with null bytes, which allows remote attackers to obtain information from previous packets or kernel memory by using malformed packets, as demonstrated by Etherleak.

Frequently asked questions

What is CVE-2003-0001?
Multiple ethernet Network Interface Card (NIC) device drivers do not pad frames with null bytes, which allows remote attackers to obtain information from previous packets or kernel memory by using malformed packets, as demonstrated by Etherleak.
How severe is CVE-2003-0001?
CVE-2003-0001 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2003-0001 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 73% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0001?
CVE-2003-0001 primarily affects Freebsd. In total, 37 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0001?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-0001 published?
CVE-2003-0001 was published on 2003-01-17 and last updated on 2026-06-16.

References

Affected products (37)

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