CVE-2023-20190 (ios_xr) | allinfosecnews.com

Sept. 13, 2023, 5:15 p.m. |

National Vulnerability Database web.nvd.nist.gov

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 address range encoding in the compression module of an ACL that is applied to an interface of an affected device. An attacker could exploit this vulnerability by sending traffic through the affected device that should be …

access access control acl address attacker bypass cisco cisco ios cisco ios xr compression control cve device encoding feature ios list protection software unauthenticated vulnerability

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