// For flags

CVE-2019-1750

Cisco IOS XE Software Catalyst 4500 Cisco Discovery Protocol Denial of Service Vulnerability

Severity Score

7.4
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A vulnerability in the Easy Virtual Switching System (VSS) of Cisco IOS XE Software on Catalyst 4500 Series Switches could allow an unauthenticated, adjacent attacker to cause the switches to reload. The vulnerability is due to incomplete error handling when processing Cisco Discovery Protocol (CDP) packets used with the Easy Virtual Switching System. An attacker could exploit this vulnerability by sending a specially crafted CDP packet. An exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition.

Una vulnerabilidad en el VSS (Easy Virtual Switching System) del software Cisco IOS XE en los switches Catalyst 4500 Series podría permitir que un atacante adyacente no autenticado provoque la recarga de los switches. La vulnerabilidad se debe a la gestión incompleta de errores al procesar paquetes CDP (Cisco Discovery Protocol) empleados en el VSS. Un atacante podría explotar esta vulnerabilidad enviando un paquete CDP especialmente manipulado. Su explotación podría permitir que el atacante consiga que el dispositivo se reinicie, provocando una denegación de servicio (DoS).

*Credits: N/A
CVSS Scores
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Adjacent
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
  • 2018-12-06 CVE Reserved
  • 2019-03-27 CVE Published
  • 2024-08-17 EPSS Updated
  • 2024-09-17 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
  • CWE-388: 7PK - 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 Xe
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3.6.0ae
Search vendor "Cisco" for product "Ios Xe" and version "3.6.0ae"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.6.0be
Search vendor "Cisco" for product "Ios Xe" and version "3.6.0be"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.6.0e
Search vendor "Cisco" for product "Ios Xe" and version "3.6.0e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.6.1e
Search vendor "Cisco" for product "Ios Xe" and version "3.6.1e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.6.2ae
Search vendor "Cisco" for product "Ios Xe" and version "3.6.2ae"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.6.2e
Search vendor "Cisco" for product "Ios Xe" and version "3.6.2e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.6.3e
Search vendor "Cisco" for product "Ios Xe" and version "3.6.3e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.6.4e
Search vendor "Cisco" for product "Ios Xe" and version "3.6.4e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.6.5ae
Search vendor "Cisco" for product "Ios Xe" and version "3.6.5ae"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.6.5be
Search vendor "Cisco" for product "Ios Xe" and version "3.6.5be"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.6.5e
Search vendor "Cisco" for product "Ios Xe" and version "3.6.5e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.6.6e
Search vendor "Cisco" for product "Ios Xe" and version "3.6.6e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.6.7ae
Search vendor "Cisco" for product "Ios Xe" and version "3.6.7ae"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.6.7be
Search vendor "Cisco" for product "Ios Xe" and version "3.6.7be"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.6.7e
Search vendor "Cisco" for product "Ios Xe" and version "3.6.7e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.6.8e
Search vendor "Cisco" for product "Ios Xe" and version "3.6.8e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.6.9e
Search vendor "Cisco" for product "Ios Xe" and version "3.6.9e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.6.10e
Search vendor "Cisco" for product "Ios Xe" and version "3.6.10e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.7.0e
Search vendor "Cisco" for product "Ios Xe" and version "3.7.0e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.7.1e
Search vendor "Cisco" for product "Ios Xe" and version "3.7.1e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.7.2e
Search vendor "Cisco" for product "Ios Xe" and version "3.7.2e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.7.3e
Search vendor "Cisco" for product "Ios Xe" and version "3.7.3e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.8.0e
Search vendor "Cisco" for product "Ios Xe" and version "3.8.0e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.8.1e
Search vendor "Cisco" for product "Ios Xe" and version "3.8.1e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.8.2e
Search vendor "Cisco" for product "Ios Xe" and version "3.8.2e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.8.3e
Search vendor "Cisco" for product "Ios Xe" and version "3.8.3e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.8.4e
Search vendor "Cisco" for product "Ios Xe" and version "3.8.4e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.8.5ae
Search vendor "Cisco" for product "Ios Xe" and version "3.8.5ae"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.8.5e
Search vendor "Cisco" for product "Ios Xe" and version "3.8.5e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.8.6e
Search vendor "Cisco" for product "Ios Xe" and version "3.8.6e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.8.7e
Search vendor "Cisco" for product "Ios Xe" and version "3.8.7e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.9.0e
Search vendor "Cisco" for product "Ios Xe" and version "3.9.0e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.9.1e
Search vendor "Cisco" for product "Ios Xe" and version "3.9.1e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.9.2be
Search vendor "Cisco" for product "Ios Xe" and version "3.9.2be"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.9.2e
Search vendor "Cisco" for product "Ios Xe" and version "3.9.2e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.10.0ce
Search vendor "Cisco" for product "Ios Xe" and version "3.10.0ce"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.10.0e
Search vendor "Cisco" for product "Ios Xe" and version "3.10.0e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.10.1ae
Search vendor "Cisco" for product "Ios Xe" and version "3.10.1ae"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.10.1e
Search vendor "Cisco" for product "Ios Xe" and version "3.10.1e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.10.1se
Search vendor "Cisco" for product "Ios Xe" and version "3.10.1se"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.10.2e
Search vendor "Cisco" for product "Ios Xe" and version "3.10.2e"
-
Affected
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
16.9.2h
Search vendor "Cisco" for product "Ios Xe" and version "16.9.2h"
-
Affected