CVE-2020-3566 Cisco IOS XR
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.
- CVSS
- not scored
On CISA’s exploited list
Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerability
- Added
- 2021-11-03
- Federal patch deadline
- 2022-05-03
- Ransomware use
- not known