VULNERABILITY INTELLIGENCE

CVE-2006-4774

CVSS score7.8 HIGH
EPSS probability5.14%
CISA KEVNot currently listed
Published2006-09-14
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:C

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.

Primary references