CVE-2024-20314
HIGHCisco IOS XE - Unauthenticated Denial of Service via IPv4 Packet Handling
Title source: llmDescription
A vulnerability in the IPv4 Software-Defined Access (SD-Access) fabric edge node feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause high CPU utilization and stop all traffic processing, resulting in a denial of service (DoS) condition on an affected device. This vulnerability is due to improper handling of certain IPv4 packets. An attacker could exploit this vulnerability by sending certain IPv4 packets to an affected device. A successful exploit could allow the attacker to cause the device to exhaust CPU resources and stop processing traffic, resulting in a DoS condition.
References (1)
Core 1
Core References
Scores
CVSS v3
8.6
EPSS
0.0082
EPSS Percentile
74.6%
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-783
Status
published
Products (50)
cisco/ios_xe
16.1.1
cisco/ios_xe
16.1.2
cisco/ios_xe
16.1.3
cisco/ios_xe
16.2.1
cisco/ios_xe
16.2.2
cisco/ios_xe
16.3.1
cisco/ios_xe
16.3.1a
cisco/ios_xe
16.3.2
cisco/ios_xe
16.3.3
cisco/ios_xe
16.3.4
... and 40 more
Published
Mar 27, 2024
Tracked Since
Feb 18, 2026