CVE-2006-4774

HighCVSS 7.8/10Last modified Jun 16, 2026

Description

The VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(19) allows remote attackers to cause a denial of service by sending a VTP version 1 summary frame with a VTP version field value of 2.

Metrics

CVSS 2.0 7.8/10AV:N/AC:L/Au:N/C:N/I:N/A:C

Weakness enumeration

CWE-399

Affected software

No affected versions have been published.

Timeline

Published
Sep 14, 2006
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2006-4774: High severity, CVSS 7.8 | Vulnix