Search/CVE-2001-0429
● CVE

CVE-2001-0429

VendorciscoProductcatosDiscoveredJul 2, 2001UpdatedApr 16, 2026

Cisco Catalyst 5000 series switches 6.1(2) and earlier will forward an 802.1x frame on a Spanning Tree Protocol (STP) blocked port, which causes a network storm and a denial of service.

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CVSS v3.1
—
EPSS
1.44%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
Connections
1 relationships
Timeline
disclosure → media coverage
Jul 2, 2001
Disclosure — published as a CVE record. · last revised by NVD Apr 16, 2026