CVE-2001-0163

CVE-2001-0163 is a medium-severity vulnerability in Cisco Aironet Ap340 with a CVSS 2.0 base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Cisco AP340 base station produces predictable TCP Initial Sequence Numbers (ISNs), which allows remote attackers to spoof or hijack TCP connections.

Frequently asked questions

What is CVE-2001-0163?
Cisco AP340 base station produces predictable TCP Initial Sequence Numbers (ISNs), which allows remote attackers to spoof or hijack TCP connections.
How severe is CVE-2001-0163?
CVE-2001-0163 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-2001-0163 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0163?
CVE-2001-0163 affects Cisco Aironet Ap340. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-0163?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-0163 published?
CVE-2001-0163 was published on 2001-01-01 and last updated on 2026-06-16.

References

Affected products (1)

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