cisco-sa-comp3acl-vGmp6BQ3: Cisco IOS XR Software Compression ACL Bypass Vulnerability

Published Sep 13, 2023
·
Updated

A vulnerability in the classic access control list (ACL) compression feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass the protection that is offered by a configured ACL on an affected device.This vulnerability is due to incorrect destination

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-sa-comp3acl-vGmp6BQ3?

The severity of cisco-sa-comp3acl-vGmp6BQ3 is considered high as it allows an unauthenticated attacker to bypass ACL protections.

2

How do I fix cisco-sa-comp3acl-vGmp6BQ3?

To fix cisco-sa-comp3acl-vGmp6BQ3, update your Cisco IOS XR Software to the latest patched version provided by Cisco.

3

Which devices are affected by cisco-sa-comp3acl-vGmp6BQ3?

Devices running Cisco IOS XR Software with the classic ACL compression feature enabled are affected by cisco-sa-comp3acl-vGmp6BQ3.

4

What is the impact of cisco-sa-comp3acl-vGmp6BQ3?

The impact of cisco-sa-comp3acl-vGmp6BQ3 is that it allows attackers to bypass access controls and potentially gain unauthorized access to network resources.

5

Is authentication required to exploit cisco-sa-comp3acl-vGmp6BQ3?

No, authentication is not required to exploit cisco-sa-comp3acl-vGmp6BQ3, allowing remote attackers to exploit the vulnerability directly.

Contact

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