CVE-2001-1540

CVE-2001-1540 is a medium-severity vulnerability in David F. Mischler Iproute with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

IPRoute 0.973, 0.974 and 1.18 allows remote attackers to cause a denial of service via fragmented IP packets that split the TCP header.

Frequently asked questions

What is CVE-2001-1540?
IPRoute 0.973, 0.974 and 1.18 allows remote attackers to cause a denial of service via fragmented IP packets that split the TCP header.
How severe is CVE-2001-1540?
CVE-2001-1540 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2001-1540 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-1540?
CVE-2001-1540 primarily affects David F. Mischler Iproute. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-1540?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-1540 published?
CVE-2001-1540 was published on 2001-12-31 and last updated on 2026-06-16.

References

Affected products (3)