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    CVE-2008-4963

    Unspecified 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.

    Published:Nov 6, 2008
    Last Modified:Apr 23, 2026
    EPS:Nov 6, 2008
    EPSS Score:0.00914
    CVSS Score:7.1

    Affected Products

    Vendor
    Cisco
    Product
    Catos
    Vendor
    Cisco
    Product
    Ios

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2007-5651 (CVSS 7.1) — Unspecified vulnerability in the Extensible Authentication Protocol (EAP) implementation in Cisco IOS 12.3 and…
    CVE-2007-5134 (CVSS 5) — Cisco Catalyst 6500 and Cisco 7600 series devices use 127/8 IP addresses for Ethernet Out-of-Band Channel (EOB…
    CVE-2006-4775 (CVSS 7.8) — The VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(19) and CatOS allows remote attackers to cause a de…
    CVE-2005-4258 (CVSS 7.8) — Unspecified Cisco Catalyst Switches allow remote attackers to cause a denial of service (device crash) via an …
    CVE-2004-1775 (CVSS 5) — Cisco VACM (View-based Access Control MIB) for Catalyst Operating Software (CatOS) 5.5 and 6.1 and IOS 12.0 an…
    CVE-2004-0551 (CVSS 5) — Cisco CatOS 5.x before 5.5(20) through 8.x before 8.2(2) and 8.3(2)GLX, as used in Catalyst switches, allows r…
    CVE-2003-1002 (CVSS 5) — Cisco Firewall Services Module (FWSM) in Cisco Catalyst 6500 and 7600 series devices allows remote attackers t…
    CVE-2003-1001 (CVSS 5) — Buffer overflow in the Cisco Firewall Services Module (FWSM) in Cisco Catalyst 6500 and 7600 series devices al…
    CVE-2003-0216 (CVSS 9.3) — Unknown vulnerability in Cisco Catalyst 7.5(1) allows local users to bypass authentication and gain access to …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High