CVE-2023-20049 (ios_xr) | allinfosecnews.com

March 9, 2023, 10:15 p.m. |

National Vulnerability Database web.nvd.nist.gov

A vulnerability in the bidirectional forwarding detection (BFD) hardware offload feature of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers, ASR 9902 Compact High-Performance Routers, and ASR 9903 Compact High-Performance Routers could allow an unauthenticated, remote attacker to cause a line card to reset, resulting in a denial of service (DoS) condition. This vulnerability is due to the incorrect handling of malformed BFD packets that are received on line cards where the BFD hardware offload feature …

aggregation asr card cisco cisco ios cisco ios xr cve cve-2023-20049 denial of service detection dos forwarding handling hardware high ios malformed packets performance reset routers series service services software vulnerability

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