CVE-2020-3414

Cisco IOS XE Software for Cisco 4461 Integrated Services Routers Denial of Service Vulnerability

Severity Score

8.6

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A vulnerability in the packet processing of Cisco IOS XE Software for Cisco 4461 Integrated Services Routers could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to incorrect processing of IPv4 or IPv6 traffic to or through an affected device. An attacker could exploit this vulnerability by sending IP traffic to or through an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

Una vulnerabilidad en el procesamiento de paquetes de Cisco IOS XE Software para Cisco 4461 Integrated Services Routers, podría permitir a un atacante remoto no autenticado causar la recarga de un dispositivo afectado, resultando en una condición de denegación de servicio (DoS). La vulnerabilidad es debido al procesamiento incorrecto del tráfico IPv4 o IPv6 hacia o a través de un dispositivo afectado. Un atacante podría explotar esta vulnerabilidad mediante el envío de tráfico IP hacia o a través de un dispositivo afectado. Una explotación con éxito podría permitir al atacante causar que el dispositivo se recargue, resultando una condición de DoS.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

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

2019-12-12 CVE Reserved
2020-09-24 CVE Published
2023-06-10 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-19: Data Processing Errors
CWE-400: Uncontrolled Resource Consumption

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ISR4461-gKKUROhx	2023-05-22

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 Search vendor "Cisco" for product "Ios Xe"	16.9.2 Search vendor "Cisco" for product "Ios Xe" and version "16.9.2"	-	Affected	in	Cisco Search vendor "Cisco"	4461 Integrated Services Router Search vendor "Cisco" for product "4461 Integrated Services Router"	-	-	Safe
Cisco Search vendor "Cisco"	Ios Xe Search vendor "Cisco" for product "Ios Xe"	16.10.4 Search vendor "Cisco" for product "Ios Xe" and version "16.10.4"	-	Affected	in	Cisco Search vendor "Cisco"	4461 Integrated Services Router Search vendor "Cisco" for product "4461 Integrated Services Router"	-	-	Safe
Cisco Search vendor "Cisco"	Ios Xe Search vendor "Cisco" for product "Ios Xe"	16.11.2 Search vendor "Cisco" for product "Ios Xe" and version "16.11.2"	-	Affected	in	Cisco Search vendor "Cisco"	4461 Integrated Services Router Search vendor "Cisco" for product "4461 Integrated Services Router"	-	-	Safe
Cisco Search vendor "Cisco"	Ios Xe Search vendor "Cisco" for product "Ios Xe"	16.12.3 Search vendor "Cisco" for product "Ios Xe" and version "16.12.3"	-	Affected	in	Cisco Search vendor "Cisco"	4461 Integrated Services Router Search vendor "Cisco" for product "4461 Integrated Services Router"	-	-	Safe
Cisco Search vendor "Cisco"	Ios Xe Search vendor "Cisco" for product "Ios Xe"	17.1.1 Search vendor "Cisco" for product "Ios Xe" and version "17.1.1"	-	Affected	in	Cisco Search vendor "Cisco"	4461 Integrated Services Router Search vendor "Cisco" for product "4461 Integrated Services Router"	-	-	Safe