How severe is CVE-2001-1572?

CVE-2001-1572 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2001-1572 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-1572?

CVE-2001-1572 primarily affects Linux Linux Kernel. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2001-1572?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2001-1572 published?

CVE-2001-1572 was published on 2001-12-31 and last updated on 2026-06-16.

CVE-2001-1572

CVE-2001-1572 is a high-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Linux Linux Kernel
Published: 2001-12-31
Last modified: 2026-06-16

Description

The MAC module in Netfilter in Linux kernel 2.4.1 through 2.4.11, when configured to filter based on MAC addresses, allows remote attackers to bypass packet filters via small packets.

Frequently asked questions

What is CVE-2001-1572?: The MAC module in Netfilter in Linux kernel 2.4.1 through 2.4.11, when configured to filter based on MAC addresses, allows remote attackers to bypass packet filters via small packets.
How severe is CVE-2001-1572?: CVE-2001-1572 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2001-1572 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-1572?: CVE-2001-1572 primarily affects Linux Linux Kernel. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-1572?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2001-1572 published?: CVE-2001-1572 was published on 2001-12-31 and last updated on 2026-06-16.

References

Affected products (11)

cpe:2.3:o:linux:linux_kernel:2.4.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.4.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.4.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.4.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.4.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.4.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.4.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.4.8:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.4.9:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.4.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.4.11:*:*:*:*:*:*:*

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