7.8
CVSSv2

CVE-2006-4775

Published: 14/09/2006 Updated: 17/10/2018
CVSS v2 Base Score: 7.8 | Impact Score: 6.9 | Exploitability Score: 10
VMScore: 694
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Vulnerability Summary

The VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(19) and CatOS allows remote malicious users to cause a denial of service by sending a VTP update with a revision value of 0x7FFFFFFF, which is incremented to 0x80000000 and is interpreted as a negative number in a signed context.

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cisco ios 12.1\\(19\\)

cisco catos