CVE-2020-3414
HIGHCisco IOS XE for 4461 ISR - Unauthenticated Denial of Service via IPv4/IPv6 Packet Processing
Title source: llmDescription
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
Vendor Advisory vendor-advisory
x_refsource_cisco
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ISR4461-gKKUROhx
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