CVE-2001-0429 json
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 c…
published 2001-07-02 25 y ago modified 2026-06-16 4 mo ago also EUVD-2001-0426
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
1.44% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
References
-
cisco.com
/warp/public/707/cat5k-8021x-vuln-pub.shtml
vendor-advisory, patch
-
securityfocus.com
/bid/2604
vdb-entry, patch, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/6379
vdb-entry
-
ciac.org
/ciac/bulletins/l-072.shtml
third-party-advisory, government-resource
Sources
- CVE List CVE-2001-0429
- NVD CVE-2001-0429
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