CVE-2020-3414

HIGH

Cisco IOS XE for 4461 ISR - Unauthenticated Denial of Service via IPv4/IPv6 Packet Processing

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1
Core References

Scores

CVSS v3 8.6
EPSS 0.0103
EPSS Percentile 77.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-400 CWE-19
Status published
Products (5)
cisco/ios_xe 16.9.2
cisco/ios_xe 16.10.4
cisco/ios_xe 16.11.2
cisco/ios_xe 16.12.3
cisco/ios_xe 17.1.1
Published Sep 24, 2020
Tracked Since Feb 18, 2026