CVE-2023-20033

HIGH

Cisco IOS XE for Catalyst 3650/3850 - DoS via Management Interface

Title source: llm
STIX 2.1

Description

A vulnerability in Cisco IOS XE Software for Cisco Catalyst 3650 and Catalyst 3850 Series Switches could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to improper resource management when processing traffic that is received on the management interface. An attacker could exploit this vulnerability by sending a high rate of traffic to the management interface. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

Scores

CVSS v3 8.6
EPSS 0.0016
EPSS Percentile 36.3%
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 poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-770
Status published
Products (50)
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
cisco/ios_xe 16.3.5
cisco/ios_xe 16.3.5b
cisco/ios_xe 16.3.6
cisco/ios_xe 16.3.7
cisco/ios_xe 16.3.8
... and 40 more
Published Sep 27, 2023
Tracked Since Feb 18, 2026