CVE-2008-4963

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2008-4963
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2008-11-06 15:55:51 UTC
Updated2026-04-23 00:35:47 UTC
DescriptionUnspecified vulnerability in the VLAN Trunking Protocol (VTP) implementation on Cisco IOS and CatOS, when the VTP operating mode is not transparent, allows remote attackers to cause a denial of service (device reload or hang) via a crafted VTP packet sent to a switch interface configured as a trunk port.

Risk And Classification

Primary CVSS: v2.0 7.1 from [email protected]

AV:N/AC:M/Au:N/C:N/I:N/A:C

Problem Types: NVD-CWE-noinfo | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

AV:N/AC:M/Au:N/C:N/I:N/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Cisco Catos All All All All
Operating System Cisco Ios All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Cisco IOS and CatOS VLAN Trunking Protocol Packet Handling Denial Of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
SecurityTracker.com Archives - Cisco CatOS VLAN Trunking Protocol Bug Lets Remote Users on the Local Network Deny Service af854a3a-2127-422b-91ae-364da2661108 securitytracker.com
Cisco Security Response: Cisco VLAN Trunking Protocol Vulnerability  [Products & Services] - Cisco Systems af854a3a-2127-422b-91ae-364da2661108 www.cisco.com Vendor Advisory
Cisco IOS / CatOS VLAN Trunking Protocol Vulnerability - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
Cisco IOS VLAN Trunking Protocol Bug Lets Remote Users on the Local Network Deny Service - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
osvdb.org/49601 af854a3a-2127-422b-91ae-364da2661108 osvdb.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report