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TI-2001-00422 Aliases CVE-2001-0429GHSA-2h6x-3gq5-h875

Cisco Catalyst 5000 series switches 6.1(2) and earlier will forward an 802.1x frame on a…

Priority LOW 26Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

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.

Why it matters now

EPSS 0.01435 73rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 7

CPEVersionsRoleVendor
cpe:2.3:o:cisco:catos:4.5\(11\):*:*:*:*:*:*:*4.5(11)VulnerableCisco
cpe:2.3:o:cisco:catos:4.5.10:*:*:*:*:*:*:*4.5.10VulnerableCisco
cpe:2.3:o:cisco:catos:5.5\(4b\):*:*:*:*:*:*:*5.5(4b)VulnerableCisco
cpe:2.3:o:cisco:catos:5.5\(6\):*:*:*:*:*:*:*5.5(6)VulnerableCisco
cpe:2.3:o:cisco:catos:6.1\(1c\):*:*:*:*:*:*:*6.1(1c)VulnerableCisco
cpe:2.3:o:cisco:catos:6.1\(2\):*:*:*:*:*:*:*6.1(2)VulnerableCisco
cpe:2.3:o:cisco:catos:6.1.2:*:*:*:*:*:*:*6.1.2VulnerableCisco
  • cpe:2.3:o:cisco:catos:4.5\(11\):*:*:*:*:*:*:* Versions 4.5(11) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:catos:4.5.10:*:*:*:*:*:*:* Versions 4.5.10 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:catos:5.5\(4b\):*:*:*:*:*:*:* Versions 5.5(4b) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:catos:5.5\(6\):*:*:*:*:*:*:* Versions 5.5(6) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:catos:6.1\(1c\):*:*:*:*:*:*:* Versions 6.1(1c) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:catos:6.1\(2\):*:*:*:*:*:*:* Versions 6.1(2) Vulnerable ·Cisco
  • cpe:2.3:o:cisco:catos:6.1.2:*:*:*:*:*:*:* Versions 6.1.2 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2001-0429
  2. 2026-10-03 Alias added: GHSA-2h6x-3gq5-h875

References

  • TI-2001-00041 Memory leak in Cisco Catalyst 4000, 5000, and 6000 series switches allows remote… CVSS 2.0HIGH 7.8
  • TI-2003-00200 Unknown vulnerability in Cisco Catalyst 7.5(1) allows local users to bypass… CVSS 2.0HIGH 9.3
  • TI-2002-01178 Buffer overflow in the embedded HTTP server for Cisco Catalyst switches running CatOS 5.4… CVSS 2.0HIGH 7.1
  • TI-2006-04612 The VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(19) and CatOS allows remote… CVSS 2.0HIGH 7.8
  • TI-2005-04003 Unspecified Cisco Catalyst Switches allow remote attackers to cause a denial of service… CVSS 2.0HIGH 7.8
  • TI-2002-00996 Cisco IOS 12.0 through 12.2, when supporting SSH, allows remote attackers to cause a… CVSS 2.0HIGH 7.1
See all 16 →

Sources