cisco-sa-dnx-acl-PyzDkeYF: Cisco IOS XR Software Access Control List Bypass Vulnerability

Published Sep 13, 2023
·
Updated

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 incomplete support for this feature. An attacker

Affected Software

1 affected component
Cisco IOS XR Software

Event History

Sep 13, 2023
Advisory Published
04:00 PM
Data Sourced
04:00 PM
DescriptionSeverityWeakness

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of Cisco vulnerability cisco-sa-dnx-acl-PyzDkeYF?

The severity of Cisco vulnerability cisco-sa-dnx-acl-PyzDkeYF is classified as high due to its potential for unauthorized access.

2

How do I mitigate the effects of Cisco vulnerability cisco-sa-dnx-acl-PyzDkeYF?

To mitigate Cisco vulnerability cisco-sa-dnx-acl-PyzDkeYF, it is recommended to upgrade to a patched version of Cisco IOS XR Software.

3

Who is affected by Cisco vulnerability cisco-sa-dnx-acl-PyzDkeYF?

Cisco vulnerability cisco-sa-dnx-acl-PyzDkeYF affects devices running Cisco IOS XR Software, particularly those with MPLS interfaces.

4

What can an attacker achieve by exploiting Cisco vulnerability cisco-sa-dnx-acl-PyzDkeYF?

An attacker exploiting Cisco vulnerability cisco-sa-dnx-acl-PyzDkeYF can bypass configured access control lists on affected devices.

5

Is there a workaround for Cisco vulnerability cisco-sa-dnx-acl-PyzDkeYF?

There are no known workarounds for Cisco vulnerability cisco-sa-dnx-acl-PyzDkeYF; upgrading to a secure version is the recommended action.

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