CVE-2020-3569
CISA KEV
ACT NOW
Priority: 0.00
BB Relevance:
0/100
Published: N/A
Modified: N/A
First seen: 2026-10-29
Status: pending_score
Description
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.
CISA Known Exploited Vulnerability
Vendor / Product
Cisco — IOS XR
Date Added
2021-11-03
Remediation Due
2022-05-03
https://nvd.nist.gov/vuln/detail/CVE-2020-3569