CVE-2023-20187 (ios_xe) | allinfosecnews.com

Sept. 27, 2023, 6:15 p.m. |

National Vulnerability Database web.nvd.nist.gov

A vulnerability in the Multicast Leaf Recycle Elimination (mLRE) feature of Cisco IOS XE Software for Cisco ASR 1000 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.

This vulnerability is due to incorrect handling of certain IPv6 multicast packets when they are fanned out more than seven times on an affected device. An attacker could exploit this vulnerability by sending a specific IPv6 …

aggregation asr attacker cisco cisco ios cisco ios xe cve denial of service device dos feature handling ios ipv6 leaf packets recycle routers series service services software unauthenticated vulnerability

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