Known Exploited Vulnerability: CVE-2020-3569

Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerability

CVE detail
Catalog version: 2026.07.22 Date added: 2021-11-03 Due date: 2022-05-03 CISA catalog

Vendor: Cisco

Product: IOS XR

Required action: Apply updates per vendor instructions.

Known ransomware campaign use: Unknown

Notes: https://nvd.nist.gov/vuln/detail/CVE-2020-3569

CWEs

cvelogic Threat Intelligence