CyberCVE

CVE-2024-20315

A vulnerability in the access control list (ACL) processing on MPLS interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured

Severity
Medium 5.8
CVSS 3.1
Exploited
Not listed
EPSS
0.005
41.2th percentile
Discovered by
Vendor
Published by the vendor
Published
Mar 13, 2024
Assigned by cisco

Description

A vulnerability in the access control list (ACL) processing on MPLS interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to improper assignment of lookup keys to internal interface contexts. An attacker could exploit this vulnerability by attempting to send traffic through an affected device. A successful exploit could allow the attacker to access resources behind the affected device that were supposed to be protected by a configured ACL.

Weakness: CWE-284

Affected products

Vendor Product Category Matched by
Cisco Cisco IOS XR Software Routing & Switching cna-assigner
Vendor-reported affected versions (2)
  • Cisco · Cisco IOS XR Software
  • cisco · ios_xr_software

References