CVE-2024-20322

A vulnerability in the access control list (ACL) processing on Pseudowire 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.
Configurations

No configuration.

History

21 Nov 2024, 08:52

Type Values Removed Values Added
References () https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-acl-bypass-RZU5NL3e - () https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-acl-bypass-RZU5NL3e -
Summary
  • (es) Una vulnerabilidad en el procesamiento de la lista de control de acceso (ACL) en interfaces Pseudowire en la dirección de ingreso del software Cisco IOS XR podría permitir que un atacante remoto no autenticado omita una ACL configurada. Esta vulnerabilidad se debe a una asignación incorrecta de claves de búsqueda a contextos de interfaz interna. Un atacante podría aprovechar esta vulnerabilidad intentando enviar tráfico a través de un dispositivo afectado. Un exploit exitoso podría permitir al atacante acceder a recursos detrás del dispositivo afectado que se suponía estaban protegidos por una ACL configurada.

13 Mar 2024, 17:15

Type Values Removed Values Added
New CVE

Information

Published : 2024-03-13 17:15

Updated : 2024-11-21 08:52


NVD link : CVE-2024-20322

Mitre link : CVE-2024-20322

CVE.ORG link : CVE-2024-20322


JSON object : View

Products Affected

No product.

CWE
CWE-284

Improper Access Control