Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerability

When

2021-11-03 00:00 UTC · day precision

Where

Global (internet)

Category

cyber_exploit

Cisco IOS XR Distance Vector Multicast Routing Protocol (DVMRP) incorrectly handles Internet Group Management Protocol (IGMP) packets. Exploitation could allow an unauthenticated, remote attacker to immediately crash the IGMP process or make it consume available memory and eventually crash.

Sources

• CISA ↗ · first seen 2021-11-03 00:00 UTC

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Correlated events

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