// For flags

CVE-2006-4775

 

Severity Score

7.5
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

El VLAN Trunking Protocol (VTP) característico en Cisco IOS 12.1(19) y CatOS permite a un atacante remoto provocar una denegación de servicio con el envío de una actualización de VTP con un valor de revisión de 0x7FFFFFFF, el cual se incrementa a 0x80000000 y es interpretado como un número negativo en un contexto de señales.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2006-09-13 CVE Reserved
  • 2006-09-14 CVE Published
  • 2024-08-07 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-399: Resource Management Errors
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Cisco
Search vendor "Cisco"
 Ios
Search vendor "Cisco" for product "Ios"
 12.1\(19\)
Search vendor "Cisco" for product "Ios" and version "12.1\(19\)"
-
Affected
Cisco
Search vendor "Cisco"
 Catos
Search vendor "Cisco" for product "Catos"
*-
Affected