CVE-2023-20233 (ios_xr) | allinfosecnews.com

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

National Vulnerability Database web.nvd.nist.gov

A vulnerability in the Connectivity Fault Management (CFM) feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.

This vulnerability is due to incorrect processing of invalid continuity check messages (CCMs). An attacker could exploit this vulnerability by sending crafted CCMs to an affected device. A successful exploit could allow the attacker to cause the CFM service to crash when a user displays information about maintenance …

attacker cfm check cisco cisco ios cisco ios xr connectivity continuity cve denial of service device dos exploit feature ios management messages service software unauthenticated vulnerability

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