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CVE-2006-4775

nvd nist
Published: Sep 14, 2006Modified: Apr 16, 2026

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7.8
Vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Exploitability: 10.0 / Impact: 6.9
Source: NVD

Description

The VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(19) and CatOS allows remote attackers 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.

Affected (2)

Products: Cisco: Ios, Catos
Cisco
2 products
Ios
Catos
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Ios
Version 12.1(19)
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Catos
All versions

Related CWEs

CWE-399
CWE-399

References (24)

Source: cve@mitre.org
Vendor Advisory
Source: cve@mitre.org
Vendor Advisory
Source: cve@mitre.org
Source: cve@mitre.org
Patch
Source: cve@mitre.org
US Government Resource
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Vendor Advisory
Source: cve@mitre.org
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
Source: af854a3a-2127-422b-91ae-364da2661108
US Government Resource
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.