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August 31, 2020
Severity
High
Analysis Summary
The vulnerability is due to insufficient queue management for Internet Group Management Protocol (IGMP) packets. An attacker could exploit this vulnerability by sending crafted IGMP traffic to an affected device. A successful exploit could allow the attacker to cause memory exhaustion, resulting in instability of other processes. These processes may include, but are not limited to, interior and exterior routing protocols.
Impact
Exhausting process memory
Affected Vendors
Cisco
Affected Products
Cisco IOS XR Software
Remediation
Refer to Cisco advisory for the list of affected products and their respective patches.