CVE-2001-0867

CVE-2001-0867 is a high-severity vulnerability in Cisco 12000 Router 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

Description

Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not properly filter does not properly filter packet fragments even when the "fragment" keyword is used in an ACL, which allows remote attackers to bypass the intended access controls.

Frequently asked questions

What is CVE-2001-0867?
Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not properly filter does not properly filter packet fragments even when the "fragment" keyword is used in an ACL, which allows remote attackers to bypass the intended access controls.
How severe is CVE-2001-0867?
CVE-2001-0867 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2001-0867 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0867?
CVE-2001-0867 affects Cisco 12000 Router. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-0867?
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-2001-0867 published?
CVE-2001-0867 was published on 2001-12-06 and last updated on 2026-06-16.

References

Affected products (1)

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