Disclosure summary
A vulnerability in the Bidirectional Forwarding Detection (BFD) offload implementation of Cisco Catalyst 4500 Series Switches and Cisco Catalyst 4500-X Series Switches could allow an unauthenticated, remote attacker to cause a crash of the iosd process, causing a denial-of-service (DoS) condition.
CISA remediation guidance
Apply updates per vendor instructions.
Original records & references
PUBLISHED 2022-03-03T00:00:00-05:00
MODIFIED 2022-03-03T00:00:00-05:00
INGESTED 2026-10-06T11:42:59-04:00