CVE-2024-20316

MEDIUM

Cisco IOS XE - Unauthenticated ACL Bypass via DMI Services Error Handling

Title source: llm
STIX 2.1

Description

A vulnerability in the data model interface (DMI) services of Cisco IOS XE Software could allow an unauthenticated, remote attacker to access resources that should have been protected by a configured IPv4 access control list (ACL). This vulnerability is due to improper handling of error conditions when a successfully authorized device administrator updates an IPv4 ACL using the NETCONF or RESTCONF protocol, and the update would reorder access control entries (ACEs) in the updated ACL. An attacker could exploit this vulnerability by accessing resources that should have been protected across an affected device.

Scores

CVSS v3 5.8
EPSS 0.0026
EPSS Percentile 49.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-390
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 Mar 27, 2024
Tracked Since Feb 18, 2026