CVE-2020-3566

UNKNOWNKnown Exploited

CISA Known Exploited Vulnerability

https://nvd.nist.gov/vuln/detail/CVE-2020-3566

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.

Timeline

Published:November 3rd, 2021 12:00 AM

Last modified:November 3rd, 2021 12:00 AM

Added to KEV:November 3rd, 2021

CVSS Scoring

No CVSS v3 score available

Affected Software

From NVD CPE configuration data

Vendors

Cisco

Products

IOS XR

Weaknesses (CWE)

CWE-400

References & Reports

Advisories, patches, and third-party reports

No references available.

Source: CISA KEV + NVD · Data may lag official sources by up to one minute