CVE-2020-3566· cisco / ios xr· CWE-400
Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerability
Exploited in the wild. Listed by CISA on 2021-11-03; known to be used by ransomware.
3.7%likelihood of exploitation, next 30 days
90%of all CVEs are less likely
Nonecheck to confirm it
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.
No ready check is stored for this CVE. Confirm it by hand from the references.
References
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