CISA Known Exploited Vulnerability
This vulnerability is actively exploited in the wild and listed in the CISA Known Exploited Vulnerabilities catalog.
Remediation Deadline: May 3, 2022
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.
EPSS — Exploit Probability
5.1%
Higher than 89.6% of all CVEs
Required Action
https://nvd.nist.gov/vuln/detail/CVE-2020-3566
Risk Assessment
ELEVATEDIn CISA KEV
Details
- Severity
- High
- EPSS
- 5.1%
- CISA KEV
- Yes
- Ransomware
- Unknown
- Articles
- 0
Timeline
Published
Nov 3, 2021
Added to KEV
Nov 3, 2021
Remediation Due
May 3, 2022