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CVE-2001-0429

15
FAUCET Score

CVE-2001-0429 describes a denial-of-service vulnerability in Cisco Catalyst 5000 series switches running CATOS 6.1(2) and earlier. An attacker can trigger a network storm by sending an 802.1x frame to a Spanning Tree Protocol (STP) blocked port, causing the switch to forward it. This vulnerability has a CVSS score of 5.0 (Medium), indicating a network-based attack with low complexity leading to partial availability impact. There is no known exploit code publicly available, nor is there evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
4.5\(11\)CPE matchmatch criteria
cpe:2.3:o:cisco:catos:4.5\(11\):*:*:*:*:*:*:*
4.5.10CPE matchmatch criteria
cpe:2.3:o:cisco:catos:4.5.10:*:*:*:*:*:*:*
5.5\(4b\)CPE matchmatch criteria
cpe:2.3:o:cisco:catos:5.5\(4b\):*:*:*:*:*:*:*
5.5\(6\)CPE matchmatch criteria
cpe:2.3:o:cisco:catos:5.5\(6\):*:*:*:*:*:*:*
6.1\(1c\)CPE matchmatch criteria
cpe:2.3:o:cisco:catos:6.1\(1c\):*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.44%
Probability of exploitation in next 30 days
EPSS Percentile
70.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0143 is in the 52nd percentile among its peer group of 23,705 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

exchange.xforce.ibmcloud.com / vulnerabilities/6379
ciac.org / ciac/bulletins/l-072.shtml
cisco.com / warp/public/707/cat5k-8021x-vuln-pub.shtml
PatchVendor Advisory
securityfocus.com / bid/2604
PatchVendor Advisory